NL173089C - Dubbele coaxiale klep voor twee afwisselend ingeschakelde stromingswegen. - Google Patents
Dubbele coaxiale klep voor twee afwisselend ingeschakelde stromingswegen.Info
- Publication number
- NL173089C NL173089C NLAANVRAGE7512821,A NL7512821A NL173089C NL 173089 C NL173089 C NL 173089C NL 7512821 A NL7512821 A NL 7512821A NL 173089 C NL173089 C NL 173089C
- Authority
- NL
- Netherlands
- Prior art keywords
- flowways
- coaxial valve
- alternatively switched
- double coaxial
- double
- Prior art date
Links
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
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
-
- 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)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Multiple-Way Valves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US356231A US3908693A (en) | 1973-05-01 | 1973-05-01 | Coaxial bidirectional flow control and relief valves and hydrostat system containing the same |
US05/519,732 US3985652A (en) | 1973-05-01 | 1974-10-31 | Dual coaxial bidirectional valves and filter assemblies and hydrostat systems containing the same |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7512821A NL7512821A (nl) | 1976-05-04 |
NL173089B NL173089B (nl) | 1983-07-01 |
NL173089C true NL173089C (nl) | 1983-12-01 |
Family
ID=26999162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7512821,A NL173089C (nl) | 1973-05-01 | 1975-10-31 | Dubbele coaxiale klep voor twee afwisselend ingeschakelde stromingswegen. |
Country Status (6)
Country | Link |
---|---|
US (1) | US3985652A (nl) |
BE (1) | BE835134R (nl) |
DE (1) | DE2548308C3 (nl) |
FR (1) | FR2289782A2 (nl) |
GB (1) | GB1522679A (nl) |
NL (1) | NL173089C (nl) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4439984A (en) * | 1981-07-20 | 1984-04-03 | Pall Corporation | Coaxial bidirectional spool valve |
US4401563A (en) * | 1982-07-26 | 1983-08-30 | Douglas Koelfgen | Oil filter cartridge for motorcycles |
DE3412199A1 (de) * | 1984-04-02 | 1985-10-03 | Argo GmbH für Feinmechanik, 7527 Kraichtal | Filter |
DE3611451A1 (de) * | 1986-04-05 | 1987-10-08 | Wollbrecht Gisbert | Steuergeraet fuer druckluftmotore |
US4923602A (en) * | 1987-08-11 | 1990-05-08 | Blood Neil J | Bi-directional flow filter |
DE3824860A1 (de) * | 1988-07-21 | 1990-01-25 | Friedrich Bersch | Vorrichtung zur reinigung von rohrleitungen, insbesondere schankleitungen |
EP0351664B1 (de) * | 1988-07-21 | 1994-02-23 | Friedrich Bersch | Vorrichtung zur Reinigung von Rohrleitungen, inbesondere Schankleitungen |
US5535588A (en) * | 1994-05-06 | 1996-07-16 | Dana Corporation | Filter arrangement for single-acting telescopic hydraulic cylinders |
DE19960203A1 (de) * | 1999-12-14 | 2001-06-28 | Mann & Hummel Filter | Flüssigkeitsfilter, insbesondere Ölfilter für eine Brennkraftmaschine |
US6579079B2 (en) | 2001-09-27 | 2003-06-17 | Diamond Machine Werks, Inc. | Rotary valve and piston pump assembly and tank dispenser therefor |
US20060151363A1 (en) * | 2005-01-07 | 2006-07-13 | Claudiu-Ioan Ratiu | Modular disc filter with integrated and automated self-flushing operator |
US7951112B2 (en) * | 2007-05-16 | 2011-05-31 | Smiths Medical Asd, Inc. | Pump module for use in a medical fluid dispensing system |
KR101760210B1 (ko) * | 2016-03-29 | 2017-07-20 | 엘지전자 주식회사 | 정수장치 및 정수장치가 구비된 냉장고 |
CN108266433B (zh) * | 2016-12-30 | 2021-05-11 | 上海索菲玛汽车滤清器有限公司 | 过滤器 |
BR112021023378A2 (pt) * | 2019-05-22 | 2022-02-01 | Rolando Navarrete Mario | Veículo terrestre |
CN111350709A (zh) * | 2020-03-13 | 2020-06-30 | 上海外高桥造船有限公司 | 投油滤清装置 |
US11311827B1 (en) * | 2021-12-31 | 2022-04-26 | ERD Paris, LLC | Water filter system head with interchangeable inlet and outlet connections |
CN117225604B (zh) * | 2023-11-10 | 2024-01-30 | 山西恒泰佳源生物科技有限公司 | 一种醋酸钠固液混合物离心分离设备 |
CN117703887B (zh) * | 2024-01-23 | 2024-06-21 | 江苏亚力亚气动液压成套设备有限公司 | 一种高效节能型液压站 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2423329A (en) * | 1942-01-24 | 1947-07-01 | Clair Camille Clare Sprankl Le | Oil filtration |
US2460058A (en) * | 1946-04-26 | 1949-01-25 | Parker Mfg Company | Hydraulic power apparatus |
US2649688A (en) * | 1952-07-24 | 1953-08-25 | Goodman Mfg Co | Feed control for hydraulic motors |
US3289841A (en) * | 1962-12-26 | 1966-12-06 | Michigan Dynamics Inc | Bidirectional filter |
US3222866A (en) * | 1964-12-21 | 1965-12-14 | Case Co J I | Hydraulic apparatus and method |
-
1974
- 1974-10-31 US US05/519,732 patent/US3985652A/en not_active Expired - Lifetime
-
1975
- 1975-10-29 GB GB44689/75A patent/GB1522679A/en not_active Expired
- 1975-10-29 DE DE2548308A patent/DE2548308C3/de not_active Expired
- 1975-10-30 FR FR7533257A patent/FR2289782A2/fr active Granted
- 1975-10-31 BE BE161482A patent/BE835134R/xx active
- 1975-10-31 NL NLAANVRAGE7512821,A patent/NL173089C/nl active
Also Published As
Publication number | Publication date |
---|---|
NL173089B (nl) | 1983-07-01 |
BE835134R (fr) | 1976-04-30 |
FR2289782B2 (nl) | 1982-10-22 |
GB1522679A (en) | 1978-08-23 |
DE2548308B2 (de) | 1979-08-16 |
DE2548308A1 (de) | 1976-05-06 |
FR2289782A2 (fr) | 1976-05-28 |
NL7512821A (nl) | 1976-05-04 |
DE2548308C3 (de) | 1980-04-30 |
US3985652A (en) | 1976-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V3 | Additional patents lapsed at the same time as the main patent |