CN1013297B - 用于液压支架***的液控单向阀 - Google Patents
用于液压支架***的液控单向阀Info
- Publication number
- CN1013297B CN1013297B CN89101869A CN89101869A CN1013297B CN 1013297 B CN1013297 B CN 1013297B CN 89101869 A CN89101869 A CN 89101869A CN 89101869 A CN89101869 A CN 89101869A CN 1013297 B CN1013297 B CN 1013297B
- Authority
- CN
- China
- Prior art keywords
- valve
- control piston
- pressure
- piston
- 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
Links
Images
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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7781—With separate connected fluid reactor surface
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Check Valves (AREA)
Abstract
Description
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19883804846 DE3804846C2 (de) | 1988-02-17 | 1988-02-17 | Hydraulisch entsperrbares Rückschlagventil, insbesondere für hydraulische Ausbausysteme |
DE3804846.9 | 1988-02-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1037951A CN1037951A (zh) | 1989-12-13 |
CN1013297B true CN1013297B (zh) | 1991-07-24 |
Family
ID=6347542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN89101869A Expired CN1013297B (zh) | 1988-02-17 | 1989-02-16 | 用于液压支架***的液控单向阀 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5157947A (zh) |
CN (1) | CN1013297B (zh) |
DE (1) | DE3804846C2 (zh) |
ES (1) | ES2012276A6 (zh) |
FR (1) | FR2627253B1 (zh) |
GB (1) | GB2216238B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3803988C2 (de) * | 1988-02-10 | 1995-04-13 | Westfalia Becorit Ind Tech | Hydraulisch schaltbares Wegeventil, vorzugsweise für hydraulische Ausbausysteme u. dgl. |
DE4012481C2 (de) * | 1990-04-19 | 2002-04-25 | Dbt Gmbh | Ventilvorrichtung mit einem hydraulisch entsperrbaren Rückschlagventil für hydraulische Systeme des Bergbaus, wie vor allem für hydraulische Ausbausysteme |
US5822887A (en) * | 1993-06-22 | 1998-10-20 | Turner; Gregory D. | Over-the-shoe athletic spat |
DE19516538B4 (de) * | 1994-06-06 | 2004-09-30 | Tiefenbach Bergbautechnik Gmbh | Hydraulisch vorgesteuertes Wegeventil |
US6651696B2 (en) * | 2001-09-20 | 2003-11-25 | Gilmore Valve Co., Ltd. | Relief valve |
DE20307512U1 (de) * | 2003-05-13 | 2003-07-10 | DBT GmbH, 44534 Lünen | Hydraulisch schaltbares Wegeventil |
US7647942B2 (en) * | 2007-02-21 | 2010-01-19 | Victaulic Company | Constant flow rate valve |
CN102191944A (zh) * | 2011-05-09 | 2011-09-21 | 巨隆集团芜湖兴隆液压有限公司 | 一种插装式中流量立柱液控单向阀 |
US9086168B1 (en) | 2012-08-28 | 2015-07-21 | Jansen's Aircraft Systems Controls, Inc. | GHe solenoid operated pressure regulator and gas release manifold |
JP2015017514A (ja) * | 2013-07-09 | 2015-01-29 | 愛三工業株式会社 | 部品の取付構造及び圧力調整器 |
WO2015155708A1 (en) * | 2014-04-08 | 2015-10-15 | Freni Brembo S.P.A. | Disc brake pad, spring for disc brake caliper and disk brake caliper assembly |
DE102015101468A1 (de) * | 2015-02-02 | 2016-08-04 | Bpw Bergische Achsen Kg | Scheibenbremse für ein Nutzfahrzeugrad |
DE102019204510A1 (de) * | 2019-03-29 | 2020-10-01 | Zf Friedrichshafen Ag | Hydraulisches Steuergerät für ein Automatikgetriebe eines Kraftfahrzeugs |
CN113389829B (zh) * | 2021-06-10 | 2022-09-30 | 徐州徐工矿业机械有限公司 | 矿用自卸车及其制动器自动补偿器、制动器、制动方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB525541A (en) * | 1939-03-16 | 1940-08-30 | William Henry Cawdery | Improvements in or relating to fluid-actuated valves |
GB546350A (en) * | 1940-01-17 | 1942-07-08 | Pump Engineering Service Corp | Improvements in or relating to flow equalizers |
US2797700A (en) * | 1953-08-07 | 1957-07-02 | Camco Inc | Balanced flow valve |
US3133475A (en) * | 1960-11-22 | 1964-05-19 | Gen Electric | Hydraulically-actuated operating mechanism for an electric circuit breaker |
US3207178A (en) * | 1963-01-04 | 1965-09-21 | Ohio Brass Co | Combination motor control valve and exhaust flow control |
US3524386A (en) * | 1968-06-11 | 1970-08-18 | Sylvester R Cudnohufsky | Hydraulic system for machine tool control |
US3943968A (en) * | 1975-01-06 | 1976-03-16 | Parker-Hannifin Corporation | Combination lock and relief valve for hydraulic systems |
DE2506928C3 (de) * | 1975-02-19 | 1979-06-28 | Gewerkschaft Eisenhuette Westfalia, 4670 Luenen | Gebirgsschlagventil für hydraulische Grubenstempel |
US4172582A (en) * | 1977-04-21 | 1979-10-30 | Rexnord Inc. | Reverse differential holding valve |
DE2914981C3 (de) * | 1979-04-12 | 1993-12-02 | Westfalia Becorit Ind Tech | Druckbegrenzungsventil für hydraulische Grubenstempel |
US4292990A (en) * | 1980-02-07 | 1981-10-06 | Lear Siegler, Inc. | High pressure unloader valve |
US4341370A (en) * | 1980-11-20 | 1982-07-27 | Banks George W | High pressure, three stage, balanced valve |
JPS5917074A (ja) * | 1982-07-16 | 1984-01-28 | Hitachi Constr Mach Co Ltd | ロジツク弁 |
GB2140130B (en) * | 1983-05-18 | 1986-06-25 | Joy Mfg Co | Improvements in or relating to a hydraulic valve |
DE3402110A1 (de) * | 1984-01-21 | 1985-07-25 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulisch entsperrbares rueckschlagventil fuer hydraulische hochdrucksysteme, insbesondere fuer ausbausysteme in bergbau-untertagebetrieben |
DE3430526C1 (de) * | 1984-08-18 | 1986-02-06 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Stempelsteuerventil |
DE8510560U1 (de) * | 1985-04-11 | 1986-08-28 | Beringer-Hydraulik GmbH, Neuheim, Zug | Leckfreies Brems-Sperrventil |
US4624445A (en) * | 1985-09-03 | 1986-11-25 | The Cessna Aircraft Company | Lockout valve |
DE3806833A1 (de) * | 1988-03-03 | 1989-09-14 | Hilti Ag | Pulverkraftbetriebenes bolzensetzgeraet |
-
1988
- 1988-02-17 DE DE19883804846 patent/DE3804846C2/de not_active Expired - Lifetime
-
1989
- 1989-02-15 FR FR8901952A patent/FR2627253B1/fr not_active Expired - Fee Related
- 1989-02-16 US US07/312,075 patent/US5157947A/en not_active Expired - Lifetime
- 1989-02-16 GB GB8903602A patent/GB2216238B/en not_active Expired - Fee Related
- 1989-02-16 CN CN89101869A patent/CN1013297B/zh not_active Expired
- 1989-02-17 ES ES8900591A patent/ES2012276A6/es not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1037951A (zh) | 1989-12-13 |
GB8903602D0 (en) | 1989-04-05 |
AU3006389A (en) | 1989-08-17 |
AU613709B2 (en) | 1991-08-08 |
GB2216238B (en) | 1992-01-15 |
ES2012276A6 (es) | 1990-03-01 |
US5157947A (en) | 1992-10-27 |
FR2627253A1 (fr) | 1989-08-18 |
DE3804846C2 (de) | 1995-04-27 |
FR2627253B1 (fr) | 1991-10-11 |
GB2216238A (en) | 1989-10-04 |
DE3804846A1 (de) | 1989-08-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR02 | Examined patent application | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
CB02 | Change of applicant information |
Applicant after: DBT Germany Mining Technology Co., Ltd. Applicant before: West Fa Keya Iron & Steel United Ltd |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: WESTPHAL COLLA UNITED STEEL LTD. TO: DBT GERMANY MINE TECHNOLOGY CO., LTD. |
|
C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
OR01 | Other related matters | ||
ASS | Succession or assignment of patent right |
Owner name: DBT CO., LTD. Free format text: FORMER OWNER: DBT(GERMANY) MINING TECHNOLOGY CO., LTD. Effective date: 20030404 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20030404 Patentee after: DBT Co., Ltd. Patentee before: DBT Deutsche Bergbau-Technik GmbH |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |