DK488375A - Koaksial to-retnings styre- og aflastningsventil, filteraggregat med en ventil og hydrostatisk kraftoverforingsanleg med en sadan ventil og et filter - Google Patents

Koaksial to-retnings styre- og aflastningsventil, filteraggregat med en ventil og hydrostatisk kraftoverforingsanleg med en sadan ventil og et filter

Info

Publication number: DK488375A
Authority: DK; Denmark
Prior art keywords: valve; filter; coaxial; transfer system; power transfer
Prior art date: 1974-10-31

Application number

DK488375A

Other languages

English (en)

Other versions

DK154911C (da

DK154911B (da

Inventor

R B Cooper

Original Assignee

Pall Corp

Priority date (The priority date 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 date listed.)

1974-10-31

Filing date

1975-10-30

Publication date

1976-05-01

1974-10-31 Priority claimed from US05/519,732 external-priority patent/US3985652A/en

1975-10-30 Application filed by Pall Corp filed Critical Pall Corp

1976-05-01 Publication of DK488375A publication Critical patent/DK488375A/da

1989-01-02 Publication of DK154911B publication Critical patent/DK154911B/da

1989-05-29 Application granted granted Critical

1989-05-29 Publication of DK154911C publication Critical patent/DK154911C/da

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/147—Bypass or safety valves
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/15—Bidirectional working filters
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Mechanical Engineering (AREA)
Physics & Mathematics (AREA)
Analytical Chemistry (AREA)
Fluid Mechanics (AREA)
Multiple-Way Valves (AREA)
Fluid-Pressure Circuits (AREA)
Filtration Of Liquid (AREA)
Safety Valves (AREA)
Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

DK488375A 1974-10-31 1975-10-30 Ventilindretning med mindst en koaksialventil DK154911C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/519,732 US3985652A (en)	1973-05-01	1974-10-31	Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same
US51973274		1974-10-31

Publications (3)

Publication Number	Publication Date
DK488375A true DK488375A (da)	1976-05-01
DK154911B DK154911B (da)	1989-01-02
DK154911C DK154911C (da)	1989-05-29

Family

ID=24069551

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK488375A DK154911C (da)	1974-10-31	1975-10-30	Ventilindretning med mindst en koaksialventil

Country Status (10)

Country	Link
JP (1)	JPS5916148B2 (da)
BR (1)	BR7507173A (da)
CA (1)	CA1019223A (da)
CH (1)	CH609760A5 (da)
DK (1)	DK154911C (da)
ES (1)	ES442231A2 (da)
FI (1)	FI61083C (da)
IT (1)	IT1048373B (da)
SE (1)	SE419792B (da)
ZA (1)	ZA756798B (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN111043108A (zh) *	2019-12-25	2020-04-21	深圳市群卜鸿科技有限公司	一种具有杂质过滤功能的工作稳定的液压站

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3289841A (en) *	1962-12-26	1966-12-06	Michigan Dynamics Inc	Bidirectional filter
US3322281A (en) *	1964-08-07	1967-05-30	Gen Electric	Filter assembly having plural check valves

1975
- 1975-10-28 ZA ZA00756798A patent/ZA756798B/xx unknown
- 1975-10-29 SE SE7512084A patent/SE419792B/xx not_active IP Right Cessation
- 1975-10-30 ES ES442231A patent/ES442231A2/es not_active Expired
- 1975-10-30 FI FI753036A patent/FI61083C/fi not_active IP Right Cessation
- 1975-10-30 DK DK488375A patent/DK154911C/da not_active IP Right Cessation
- 1975-10-30 CA CA238,636A patent/CA1019223A/en not_active Expired
- 1975-10-31 JP JP50132065A patent/JPS5916148B2/ja not_active Expired
- 1975-10-31 BR BR7507173*A patent/BR7507173A/pt unknown
- 1975-10-31 CH CH1413675A patent/CH609760A5/de not_active IP Right Cessation
- 1975-10-31 IT IT52046/75A patent/IT1048373B/it active

Also Published As

Publication number	Publication date
AU8615075A (en)	1977-05-05
FI61083B (fi)	1982-01-29
FI61083C (fi)	1982-05-10
JPS5916148B2 (ja)	1984-04-13
BR7507173A (pt)	1976-08-10
CA1019223A (en)	1977-10-18
CH609760A5 (en)	1979-03-15
IT1048373B (it)	1980-11-20
ZA756798B (en)	1976-10-27
ES442231A2 (es)	1977-09-01
SE419792B (sv)	1981-08-24
FI753036A (da)	1976-05-01
DK154911C (da)	1989-05-29
SE7512084L (sv)	1976-05-03
DK154911B (da)	1989-01-02
JPS5195672A (da)	1976-08-21

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Legal Events

Date	Code	Title	Description
1995-12-11	PUP	Patent expired