CN207568736U - Intake resistance alarm - Google Patents
Intake resistance alarm Download PDFInfo
- Publication number
- CN207568736U CN207568736U CN201721695308.8U CN201721695308U CN207568736U CN 207568736 U CN207568736 U CN 207568736U CN 201721695308 U CN201721695308 U CN 201721695308U CN 207568736 U CN207568736 U CN 207568736U
- Authority
- CN
- China
- Prior art keywords
- housing
- air
- air inlet
- cavity
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007769 metal material Substances 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 6
- 239000012774 insulation material Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a kind of intake resistance alarms, including housing, have the air inlet cavity and suction cavity of connection in the housing, the air inlet of the air inlet cavity is set on the side of the housing；Air inlet cavity spring is equipped in the inlet chamber body, suction cavity spring is equipped in the suction cavity；Slidable conductive slide lid is equipped between the air inlet cavity spring and the suction cavity；Further include contact-making switch contact pin, the contact-making switch contact pin is fixed on the housing to form the air inlet cavity, and it is dielectrically separated between the housing, and the top of the contact-making switch contact pin is electrically connected with control unit of engine, its bottom is located at the lower section of the conductive slide lid, under normal operating conditions, it is off between the conduction slide lid and the contact-making switch contact pin.The utility model can effectively prevent improving the precision of resistance alarm in air inside water and dust intake resistance alarm.
Description
Technical field
The utility model is related to a kind of alarm, particularly a kind of intake resistance alarm.
Background technology
The effect of engine aspirating system is to provide cleaning, dry, sufficient, temperature is appropriate air to engine.It is light-duty
The engine aspirating system of truck uses air cleaner, to obtain clean air.When air cleaner does not maintain for a long time
Or when replacing, filtering efficiency can be greatly reduced, and increase the amount of dust into engine, dust granule degree becomes larger, intake resistance
Increase.So monitoring the intake resistance of filter, in the exceeded alarm of filter resistance, user's maintenance is reminded in time or is replaced
Filter is extremely important.
At present, structure such as Fig. 1 and Fig. 2 institutes of the resistance alarm of existing automobile filter intake resistance monitoring system
Show, including shell 01, adjusting nut 02, filter 03, spring 04, negative pressure diaphragm 05, microswitch 06, connector 07 and air inlet
Hole 08.The small end of the shell 01 is connected to by internal thread on steel pipe, due to being negative pressure in steel pipe, so in the bullet of spring 04
Under power effect, microswitch 06 keeps contact condition with pressuring film plate 05.Air in air is under the action of negative pressure via patching
Air admission hole 08 in part 07 enters the shell 01 of lower part, and when negative pressure reaches the alarming value of resistance alarm, the power generated is sufficient
Negative pressure diaphragm 05 is pushed down on to overcome the elastic force of spring 04, negative pressure diaphragm 05 is made to be detached with microswitch 06, causes and starts
Machine control unit change in electric, driver's cabin resistance alarm lamp is bright to remind that user's intake resistance value is exceeded needs to air cleaner
It is maintained.Filter 03 is used for preventing water and dust from entering in gas handling system steel pipe, is connected to by adjusting nut 02 outer
On shell 01.But existing resistance alarm has the disadvantages that：
1) vertical connector drives stomata into and easily makes in air in rainwater and dust intake resistance alarm, to cause alarm
Microswitch internal corrosion causes alarm abnormal in device；
2) microswitch and negative pressure diaphragm be by connecting, and negative pressure diaphragm is rubber diaphragm, easy to aging, pressure control after aging
System declines, and causes alarm change in resistance, and intake resistance monitoring is inaccurate；
3) spring steel wire central diameter is small, and wire loop is few, and stroke is small, the small alarm precision not easy to control of precision.
Utility model content
The purpose of this utility model is to provide a kind of intake resistance alarm, with solve in the prior art the technical issues of,
It can effectively prevent improving the precision of resistance alarm in air inside water and dust intake resistance alarm.
To achieve the above object, the utility model provides following technical solution：
A kind of intake resistance alarm including housing, has the air inlet cavity and suction cavity of connection, institute in the housing
The air inlet for stating air inlet cavity is set on the side of the housing；
Air inlet cavity spring is equipped in the inlet chamber body, suction cavity spring is equipped in the suction cavity；It is described into
Slidable conductive slide lid is equipped between air cavity spring and the suction cavity；
Contact-making switch contact pin is further included, the contact-making switch contact pin is fixed on the housing to form the air inlet cavity
On, and be dielectrically separated between the housing, and the top of the contact-making switch contact pin is electrically connected with control unit of engine,
Bottom is under the lower section of the conductive slide lid, normal operating conditions, the conduction slide lid and the contact-making switch contact pin
Between be off.
Aforementioned intake resistance alarm, it is preferable that the housing is split structure, including being located at the air inlet cavity
The air intake casing in outside and the air-breathing housing on the outside of the suction cavity, between the air intake casing and the air-breathing housing
Do Seal treatment.
Aforementioned intake resistance alarm, it is preferable that the air intake casing is isolation material, and the air-breathing housing is metal
Material is equipped with the gasket seal of insulation between the air intake casing and the air-breathing housing.
Aforementioned intake resistance alarm, it is preferable that the bottom end of the contact-making switch contact pin is pressed on the gasket seal
On, the air intake casing is stretched out in the upper end.
Aforementioned intake resistance alarm, it is preferable that be equipped in the air intake casing seal washer that lid is combined and
Cavity housing, the air inlet cavity are made of the seal washer and the cavity housing, and the conduction slide lid is fixed on institute
State the bottom of seal washer.
Aforementioned intake resistance alarm, it is preferable that the conduction slide lid is fixed by rivet and the seal washer.
Aforementioned intake resistance alarm, it is preferable that the air inlet cavity include inlet plenum and air inlet spring housing, it is described into
Gas chamber is connected with the air inlet spring housing by first passage, and the cross-sectional area of the first passage is less than the air inlet cavity bullet
The top surface area of spring.
Aforementioned intake resistance alarm, it is preferable that the suction cavity includes induction chamber and air-breathing spring housing, the suction
Gas chamber is connected with the air-breathing spring housing by second channel, and the cross-sectional area of the second channel is less than the suction cavity bullet
The top surface area of spring.
Aforementioned intake resistance alarm, it is preferable that filter is equipped in the second channel.
Aforementioned intake resistance alarm, it is preferable that the suction cavity is threadedly attached in the pipeline of gas handling system
On.
Compared with prior art, intake resistance alarm provided by the utility model, by set in inlet chamber body into
Air cavity spring sets suction cavity spring in suction cavity, using double-spring structure, respectively by air inlet cavity spring and
The up and down motion of the conductive slide lid of elastic force difference control of suction cavity spring, such control structure is than Single spring structural response more
It is sensitive, precision higher；And the break-make of alarm signal is controlled by the contact with contact-making switch contact pin of conductive slide lid and disconnection,
Compared to microswitch structure, having evaded, which because microswitch active area is small, causes it to open and close power used, is difficult to control
The shortcomings that bringing precision poor；Furthermore the air inlet of the utility model is laterally opened, rainwater can be effectively prevent to enter alarm
In cause corrosion.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of intake resistance alarm in the prior art；
Fig. 2 is the overlooking the structure diagram of intake resistance alarm in the prior art；
Fig. 3 is the main structure diagram of intake resistance alarm provided by the utility model；
Fig. 4 is the overlooking the structure diagram of intake resistance alarm provided by the utility model；
Fig. 5 is the schematic cross-sectional view of intake resistance alarm provided by the utility model.
Reference sign：
In Fig. 1-2：
01- shells, 02- adjusting nuts, 03- filters, 04- springs, 05- negative pressure diaphragms, 06- microswitches, 07- are patched
Part, 08- air admission holes；
In Fig. 3-Fig. 5：
1- housings, 101- air intake casings, 102- air-breathing housings, 2- air inlet cavitys, 201- inlet plenums, 202- is into gas spring
Room, 21- air inlets, 3- suction cavities, 301- induction chambers, 302- air-breathings spring housing, 4- air inlet cavity springs, 5- suction cavity bullets
Spring, 6- conduction slide lids, 7- contact-making switch contact pins, 81- gasket seals, 82- seal washers, 9- cavity housings, 10- rivets, 11-
Filter.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
The embodiment of the utility model：As shown in figure 3, a kind of intake resistance alarm, it is mainly used for the hair of light truck
Motivation gas handling system.As in Figure 3-5, which includes housing 1, has the air inlet of connection in the housing 1
Cavity 2 and suction cavity 3, the air inlet 21 of the air inlet cavity 2 are set on the side of the housing 1.It specifically, can be with during use
The suction cavity 3 is connected to by internal thread on the steel pipe of gas handling system.Air inlet cavity bullet is equipped in the air inlet cavity 2
Spring 4, the suction cavity 3 is interior to be equipped with suction cavity spring 5；It is equipped between the air inlet cavity spring 4 and the suction cavity 3
Slidable conduction slide lid 6.The air inlet cavity 2 of connection and suction cavity 3 are separated into two relatively by the conduction slide lid 6
The cavity of closing.The intake resistance alarm further includes contact-making switch contact pin 7, and the contact-making switch contact pin 7 is fixed on to form institute
It states on the housing 1 of air inlet cavity 2, and is dielectrically separated between the housing 1, and the top of the contact-making switch contact pin 7
It is electrically connected with control unit of engine, bottom is located at the lower section of the conductive slide lid 6.Under engine work state,
Conductive slide lid 6 contacts out with described described in elastic force official post between the air inlet cavity spring 4 and the suction cavity spring 5
It is off between the contact pin 7 of pass.
When engine work state, the air inlet cavity spring 4 and the suction cavity spring 5 are to the conduction
Slide lid 6 has upward elastic force, and the resistance value difference of air inlet cavity 2 and suction cavity 3 is smaller, resistance value of not up to alarming, in air-breathing
Under the action of 3 negative pressure of cavity, the air in air enters air inlet cavity 2 from air admission hole 21, and gas is to conductive slide lid 6 at this time
Active force is less than the upward elastic force difference that air inlet cavity spring 4 and suction cavity spring 5 generate conductive slide lid 6, and conduction is sliding
Dynamic lid 6 is off with contact-making switch contact pin 7, and driver's cabin warning light is not alarmed.And when air inlet cavity 2 and suction muffler
When the resistance value difference of body 3 meets and exceeds alarm resistance value, gas is more than or equal to air inlet cavity spring to the active force of conductive slide lid 6
4 and the upward elastic force difference that is generated to conductive slide lid 6 of suction cavity spring 5, conductive slide lid 6 is pushed to move downward and with connecing
It touches switch contact pin 7 to contact, the bright display alarm condition of driver's cabin warning light, reminds user intake resistance value exceeded, need pair
Air cleaner is maintained.
Intake resistance alarm provided by the utility model, using double-spring structure, respectively in air inlet cavity 2 and suction muffler
A spring is respectively designed in body 3, conductive slide lid 6 is controlled by the elastic force difference of air inlet cavity spring 4 and suction cavity spring 5
It moves up and down, such control structure is sensitiveer than Single spring structural response, precision higher；And using conductive slide lid 6 with connecing
Contact and the disconnection of switch contact pin 7 are touched to control the break-make of alarm signal, compared to microswitch structure, evades microswitch effect
Area is small, and the power used in either on or off is difficult to control the shortcomings that bringing precision poor；Furthermore the air inlet 21 of the utility model
To be laterally opened, rainwater can be effectively prevent to enter and cause corrosion in alarm.
Specifically, the conductive slide lid 6 is metal material or the carbon fibre materials of conduction, preferably metallic copper.
Specifically, the generally L-shaped of contact-making switch contact pin 7, the one end contacted with conductive slide lid 6 is plate, with starting
One end of machine control unit electrical connection is contact pin structure.More specifically, contact-making switch contact pin 7 includes two, it is symmetrically set in described
The both sides of conductive slide lid 6.
In a kind of specifically embodiment, as shown in figure 5, the housing 1 is split structure, including be located at it is described into
The air intake casing 101 in 2 outside of air cavity and the air-breathing housing 102 positioned at 3 outside of suction cavity, the air intake casing 101
Seal treatment is done between the air-breathing housing 102.Because contact-making switch contact pin 7 must be electrically connected with external control unit of engine
It connects, so insulation processing need to be carried out to contact-making switch contact pin 7 and conductive slide lid 6, housing 1 is designed as split structure, just
In the arrangement and its insulation processing of contact-making switch contact pin 7 and conductive slide lid 6；And split structure processing is more convenient, it can be with
Save raw material；Split structure is easy to repair, can be individually replaced partial shell, and maintenance cost is relatively low.
Further, the air intake casing 101 be isolation material, the air-breathing housing 102 be metal material, the air inlet
The gasket seal 81 of insulation is equipped between housing 101 and the air-breathing housing 102.Pass through the gasket seal 81 and insulation material of insulation
The setting of the air intake casing 101 of matter realizes the insulation processing to contact-making switch contact pin 7 and conductive slide lid 6；And air-breathing housing
102 be metal material, enhances whole structural strength, convenient for whole installation；The anti-aging property of metal material is preferable, uses
It lasts a long time.Specifically, air intake casing 101 uses injection molding.In addition to this, the main body of air intake casing 101 can also
Using metal material, in addition insulation processing is done around contact-making switch contact pin 7 and conductive slide lid 6.
Further, as shown in Figures 4 and 5, the bottom end of the contact-making switch contact pin 7 is pressed on the gasket seal 81
On, the air intake casing 101 is stretched out in the upper end.The bottom end of contact-making switch contact pin 7 is pressed on the gasket seal 81, is to connect
The minimum Insulated positions that switch contact pin 7 is inserted into are touched, it, can be to greatest extent convenient for the setting of conductive slide lid 6 thereon
Reduction whole height, save raw material.
Be preferably carried out in mode in one kind, as shown in figure 5, the air intake casing 101 in be equipped with lid be combined it is close
Seal washer 82 and cavity housing 9, the air inlet cavity 2 are made of the seal washer 82 and the cavity housing 9, the conduction
Slide lid 6 is fixed on the bottom of the seal washer 82.Be separately provided in air intake casing 101 cavity housing 9 rather than directly
In top seal, be allowed to form air inlet cavity 2, easily facilitate internal component as conductive slide lid 6, contact-making switch contact pin 7 and into
The installation and replacement of air cavity spring 4 can extend the service life of the intake resistance alarm.
Further, the conductive slide lid 6 is fixed by rivet 10 and the seal washer 82.It is solid using rivet 10
It is fixed, it had both ensured the fastness that conductive slide lid 6 is connect with seal washer 82, and had in turn ensured the leakproofness of air inlet cavity 2.
In another specifically embodiment, as shown in figure 5, the air inlet cavity 2 includes inlet plenum 201 and air inlet bullet
Spring room 202, the inlet plenum 201 are connected with the air inlet spring housing 202 by first passage, the cross section of the first passage
Product is less than the top surface area of the air inlet cavity spring 4.In this way, air inlet cavity spring 4 is limited in air inlet spring housing 202,
It is allowed to have always and there is fixed pressure differential between certain elastic force, with suction cavity spring 5.Similarly, the suction cavity 3
Including induction chamber 301 and air-breathing spring housing 302, the induction chamber 301 and the air-breathing spring housing 302 are connected by second channel
Logical, the cross-sectional area of the second channel is less than the top surface area of the suction cavity spring 5.Suction cavity spring 5 is limited
In air-breathing spring housing 302, being allowed to have always has fixed pressure differential between certain elastic force, with air inlet cavity spring 4.
Further, can also be by changing the volume of air inlet spring housing 202 and air-breathing spring housing 302, and change the elastic force of two springs
Difference then changes the setting of alarm Resistance Value.
Further, filter 11 is equipped in the second channel, it, can be with by setting filter 11 in second channel
The water and dust effectivelying prevent in air enter suction cavity 3, subsequently into the pipeline of gas handling system.
The structure, feature and effect of the utility model are described in detail based on the embodiments shown in the drawings, with
Upper described is only the preferred embodiment of the utility model, but the utility model is to limit practical range shown in drawing, it is every according to
Change that conception according to the utility model is made or the equivalent embodiment for being revised as equivalent variations, still without departing from specification and figure
When showing covered spirit, it should be within the protection scope of the present utility model.
Claims (10)
1. a kind of intake resistance alarm has the air inlet cavity (2) and air-breathing of connection including housing (1), in the housing (1)
Cavity (3), it is characterised in that：The air inlet (21) of the air inlet cavity (2) is set on the side of the housing (1)；
Air inlet cavity spring (4) is equipped in the air inlet cavity (2), suction cavity spring is equipped in the suction cavity (3)
(5)；Slidable conductive slide lid (6) is equipped between the air inlet cavity spring (4) and the suction cavity (3)；
Contact-making switch contact pin (7) is further included, the contact-making switch contact pin (7) is fixed on to form the described of the air inlet cavity (2)
It on housing (1), and is dielectrically separated between the housing (1), and the top of the contact-making switch contact pin (7) is controlled with engine
Unit is electrically connected, and bottom is under the lower section of the conductive slide lid (6), normal operating conditions, the conduction slide lid (6)
It is off between the contact-making switch contact pin (7).
2. intake resistance alarm according to claim 1, it is characterised in that：The housing (1) is split structure, is wrapped
Include the air intake casing (101) on the outside of the air inlet cavity (2) and the air-breathing housing on the outside of the suction cavity (3)
(102), Seal treatment is done between the air intake casing (101) and the air-breathing housing (102).
3. intake resistance alarm according to claim 2, it is characterised in that：The air intake casing (101) is insulation material
Matter, the air-breathing housing (102) are metal material, are equipped between the air intake casing (101) and the air-breathing housing (102) exhausted
The gasket seal (81) of edge.
4. intake resistance alarm according to claim 3, it is characterised in that：The bottom end of the contact-making switch contact pin (7)
It is pressed on the gasket seal (81), the air intake casing (101) is stretched out in the upper end.
5. intake resistance alarm according to claim 2, it is characterised in that：Lid is equipped in the air intake casing (101)
The seal washer (82) and cavity housing (9) being combined, the air inlet cavity (2) is by the seal washer (82) and the chamber
Body housing (9) is formed, and the conduction slide lid (6) is fixed on the bottom of the seal washer (82).
6. intake resistance alarm according to claim 5, it is characterised in that：The conduction slide lid (6) passes through rivet
(10) it is fixed with the seal washer (82).
7. intake resistance alarm according to claim 1, it is characterised in that：The air inlet cavity (2) is including inlet plenum
(201) it is connected with air inlet spring housing (202), the inlet plenum (201) with the air inlet spring housing (202) by first passage,
The cross-sectional area of the first passage is less than the top surface area of the air inlet cavity spring (4).
8. intake resistance alarm according to claim 1, it is characterised in that：The suction cavity (3) is including induction chamber
(301) it is connected with air-breathing spring housing (302), the induction chamber (301) with the air-breathing spring housing (302) by second channel,
The cross-sectional area of the second channel is less than the top surface area of the suction cavity spring (5).
9. intake resistance alarm according to claim 8, it is characterised in that：Filter is equipped in the second channel
(11)。
10. intake resistance alarm according to claim 1, it is characterised in that：The suction cavity (3) is connected by screw thread
It is connected on the pipeline of gas handling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721695308.8U CN207568736U (en) | 2017-12-07 | 2017-12-07 | Intake resistance alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721695308.8U CN207568736U (en) | 2017-12-07 | 2017-12-07 | Intake resistance alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568736U true CN207568736U (en) | 2018-07-03 |
Family
ID=62686736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721695308.8U Expired - Fee Related CN207568736U (en) | 2017-12-07 | 2017-12-07 | Intake resistance alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207568736U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11011045B1 (en) | 2019-11-01 | 2021-05-18 | Honda Motor Co., Ltd. | Object detection and alert for autonomous ride-sharing vehicle |
| US11358078B2 (en) | 2019-11-01 | 2022-06-14 | Honda Motor Co., Ltd. | Conductive thread for vehicle maintenance |
| US11458816B2 (en) | 2019-11-01 | 2022-10-04 | Honda Motor Co., Ltd. | Self cleaning of ride sharing vehicle |
-
2017
- 2017-12-07 CN CN201721695308.8U patent/CN207568736U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11011045B1 (en) | 2019-11-01 | 2021-05-18 | Honda Motor Co., Ltd. | Object detection and alert for autonomous ride-sharing vehicle |
| US11358078B2 (en) | 2019-11-01 | 2022-06-14 | Honda Motor Co., Ltd. | Conductive thread for vehicle maintenance |
| US11458816B2 (en) | 2019-11-01 | 2022-10-04 | Honda Motor Co., Ltd. | Self cleaning of ride sharing vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207568736U (en) | Intake resistance alarm | |
| CN110487474A (en) | A kind of pipeline air pressure induction alarm system | |
| CN207926021U (en) | A kind of high-pressure electrical equipment box pressure relief device | |
| CN209927373U (en) | Portable hydrogen leak detector | |
| CN216207342U (en) | Domestic water filtration system gas tightness check out test set | |
| CN202772043U (en) | Pneumatic switch | |
| CN102543568A (en) | Vehicle air conditioner double pressure switch | |
| CN207366180U (en) | Storage battery valve testing device | |
| CN108412647B (en) | Automotive air intake resistance alarm | |
| CN210775755U (en) | On-line monitoring sensor for circuit breaker | |
| CN201048107Y (en) | Pneumatic switch | |
| CN210741739U (en) | An improved structure of a filter system pressure display module | |
| CN102896985B (en) | Built-in tire pressure monitoring alarm | |
| CN208336311U (en) | A kind of intellectual water meter battery compartment positive seal structure | |
| CN207761749U (en) | PCV valve pipe | |
| CN2760268Y (en) | Lifetime alarm for air cleaner of minitype gas engine | |
| CN202433165U (en) | Detection device for oil tank respirator of small gasoline engine | |
| CN217718824U (en) | Digital device for monitoring transformer gas | |
| CN200961546Y (en) | Vacuum alarm | |
| CN206378239U (en) | A kind of diaphragm pressure signalling means | |
| CN215595758U (en) | Vacuum degree alarm | |
| CN111546840A (en) | A tire pressure monitoring system and device | |
| CN206573261U (en) | A kind of camera lens air tightness detection equipment | |
| CN214500062U (en) | Stop valve | |
| CN221004026U (en) | Pressure maintaining valve for gas cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 Termination date: 20201207 |