DE3534155A1 - Pressure adjuster - Google Patents
Pressure adjusterInfo
- Publication number
- DE3534155A1 DE3534155A1 DE19853534155 DE3534155A DE3534155A1 DE 3534155 A1 DE3534155 A1 DE 3534155A1 DE 19853534155 DE19853534155 DE 19853534155 DE 3534155 A DE3534155 A DE 3534155A DE 3534155 A1 DE3534155 A1 DE 3534155A1
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- container
- pump
- relief valve
- pumping
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1093—Adaptations or arrangements of distribution members the members being low-resistance valves allowing free streaming
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B33/00—Pumps actuated by muscle power, e.g. for inflating
- F04B33/005—Pumps actuated by muscle power, e.g. for inflating specially adapted for inflating tyres of non-motorised vehicles, e.g. cycles, tricycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
- F04B49/24—Bypassing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
Beim Aufpumpen von Fahrzeugreifen, Schlauchbooten und anderen Druckbehältnissen wird in der Regel ein definierter Luftdruck gewünscht, wobei es sinnvoll ist, diesen Luftdruck schon während des Pumpvorganges zu erzeugen bzw. kontrolliert zu erzeugen. Eine gängige Lösung ist hierbei das Zwischenschalten eines Manometers zwischen Pumpe und Druckbehältnis bei offenem Ventil.When inflating vehicle tires, inflatables and other pressure vessels a defined air pressure is usually required, it makes sense to check this air pressure during the pumping process to generate or to generate in a controlled manner. A common solution is the interposition of a manometer between the pump and Pressure container with the valve open.
Dabei ergeben sich als Nachteile Ableseprobleme (z. B. Entfernung zwischen Auge und Manometer bei Tretpumpen), Anzeigeschwankungen während des Pumpens (Druckstöße) und fallweise die Notwendigkeit, Überschußdruck wieder abzulassen.The disadvantages here are reading problems (e.g. distance between Eye and manometer for pedal pumps), display fluctuations during the Pumping (pressure surges) and occasionally the need for excess pressure drain again.
Der Einbau eines Überdruckventils zwischen Pumpe und Behältnisventil hat den Nachteil, daß beim Pumpen ein Teil der Luft wegen sich aufbauender Druckspitzen in der Pumpe oder dann, wenn der Pumpendruck über dem Solldruck des Behältnisses liegt, bereits durch das Überdruckventil entweicht. Damit reduziert sich die Pumpenleistung und zusätzlich erhält der Anwender kein eindeutiges Signal, wann der gewünschte Innendruck erreicht ist.The installation of a pressure relief valve between the pump and the container valve has the disadvantage that when pumping, some of the air builds up due to Pressure peaks in the pump or when the pump pressure is above the Target pressure of the container is already through the pressure relief valve escapes. This reduces the pump performance and additionally maintains the user no clear signal when the desired internal pressure is reached.
Die vorliegende Erfindung eines Druckeinstellers hebt diese Nachteile
auf:
- Die Pumpenleistung geht verlustlos in das Druckbehältnis.
- Erst beim Überschreiten des Soll-Druckes im Behältnis wird dem Anwender
das entsprechende (akustische) Signal gegeben.
The present invention of a pressure adjuster overcomes these disadvantages:
- The pump output is lost in the pressure container.
- The user is given the corresponding (acoustic) signal only when the set pressure in the container is exceeded.
Die in der Aufgabenstellung genannten Probleme werden durch den als Erfindung benannten Druckeinsteller dadurch gelöst, daß der auf der Pumpenseite entstehende Druck in einem Gehäuse einen Kolben bis zu einem Anschlag in Pos. A - siehe Abb. 1 - so verschiebt, daß er die Druckleitung (hier Bypass genannt) zum Behältnis freigibt und gleichzeitig ein mit dem Behältnis in Verbindung stehendes Überdruckventil verschließt.The problems mentioned in the task are solved by the pressure adjuster designated as the invention in that the pressure arising on the pump side in a housing moves a piston up to a stop in position A - see Fig. 1 - in such a way that it pushes the pressure line ( here called bypass) to the container and at the same time closes a pressure relief valve connected to the container.
Ist der Innendruck im Behältnis noch sehr niedrig, mag der Kolben in dieser Lage verharren. Steigt der Behältnisinnendruck im Verlaufe des Pumpens an, wird im Saugtakt der Pumpe der Kolben durch den Behältnisdruck in Position B zurückgedrängt. Nun ist die Druckleitung geschlossen und der Behältnisinnendruck beaufschlagt nun das Überdruckventil. Das Rückholen des Kolbens könnte auch z. B. durch eine entsprechend ausgelegte Rückholfeder erfolgen bzw. unterstützt werden.If the internal pressure in the container is still very low, the piston may remain in this position. If the internal pressure of the container increases in the course of pumping, the piston is pushed back into position B by the pressure of the container in the suction cycle of the pump. The pressure line is now closed and the internal pressure of the container now acts on the pressure relief valve. Retrieving the piston could also be done e.g. B. be carried out or supported by a correspondingly designed return spring.
Ist nach einem Pumptakt das gewünschte, mit dem Überdruckventil eingestellte Druckniveau überschritten worden, dann pfeift in Position B des Kolbens der Überdruck bis auf das Soll-Niveau ab. Der Pfeifton ist für den Anwender deutliches Signal, den Pumpvorgang zu beenden und er schließt nach dem Abpfeifen das Ventil des Behältnisses.If the desired pressure level set with the pressure relief valve has been exceeded after a pump cycle, the overpressure will whistle to position B in position B of the piston. The whistle is a clear signal for the user to end the pumping process and closes the valve of the container after the whistle.
Bei Pumpen, die im Gegensatz zu den Hubpumpen (Fahrradpumpe, Tretpumpe, Ballonpumpe usf.) einen kontinuierlichen Druckstrom liefern, ist der Pumpvorgang gelegentlich zu unterbrechen, um dann am Überdruckventil zu erkennen, ob noch weitere Druckluft zugeführt werden muß (kein Abpfeifen) oder nicht (Abpfeifton).For pumps that, in contrast to the lifting pumps (bicycle pump, pedal pump, Balloon pump, etc.) deliver a continuous pressure flow is the Occasionally interrupt the pumping process and then close the pressure relief valve recognize whether more compressed air needs to be added (no whistling) or not (whistle).
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853534155 DE3534155A1 (en) | 1985-09-25 | 1985-09-25 | Pressure adjuster |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853534155 DE3534155A1 (en) | 1985-09-25 | 1985-09-25 | Pressure adjuster |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3534155A1 true DE3534155A1 (en) | 1987-03-26 |
Family
ID=6281885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19853534155 Withdrawn DE3534155A1 (en) | 1985-09-25 | 1985-09-25 | Pressure adjuster |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE3534155A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106678030A (en) * | 2016-12-05 | 2017-05-17 | 宁波兴光新能源投资有限公司 | Air pressure adjusting device for novel water pump |
CN106704166A (en) * | 2016-12-05 | 2017-05-24 | 宁波兴光新能源投资有限公司 | Water inlet structure for pneumatic water pump |
CN106704164A (en) * | 2016-12-05 | 2017-05-24 | 宁波兴光新能源投资有限公司 | Pressure adjusting mechanism for novel water pump |
-
1985
- 1985-09-25 DE DE19853534155 patent/DE3534155A1/en not_active Withdrawn
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106678030A (en) * | 2016-12-05 | 2017-05-17 | 宁波兴光新能源投资有限公司 | Air pressure adjusting device for novel water pump |
CN106704166A (en) * | 2016-12-05 | 2017-05-24 | 宁波兴光新能源投资有限公司 | Water inlet structure for pneumatic water pump |
CN106704164A (en) * | 2016-12-05 | 2017-05-24 | 宁波兴光新能源投资有限公司 | Pressure adjusting mechanism for novel water pump |
CN106704166B (en) * | 2016-12-05 | 2018-07-17 | 宁波兴光新能源投资有限公司 | A kind of water inlet structure of Pneumatic water pump |
CN106678030B (en) * | 2016-12-05 | 2018-11-30 | 宁波兴光新能源投资有限公司 | Air pressure regulator for water pump |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8139 | Disposal/non-payment of the annual fee |