DE69521661D1 - Verbessertes mechanisch gesteuertes pneumatisches Servoventil - Google Patents
Verbessertes mechanisch gesteuertes pneumatisches ServoventilInfo
- Publication number
- DE69521661D1 DE69521661D1 DE69521661T DE69521661T DE69521661D1 DE 69521661 D1 DE69521661 D1 DE 69521661D1 DE 69521661 T DE69521661 T DE 69521661T DE 69521661 T DE69521661 T DE 69521661T DE 69521661 D1 DE69521661 D1 DE 69521661D1
- Authority
- DE
- Germany
- Prior art keywords
- servo valve
- mechanically controlled
- controlled pneumatic
- pneumatic servo
- improved mechanically
- 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 - Lifetime
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
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/06—Pumps having fluid drive
- F04B43/073—Pumps having fluid drive the actuating fluid being controlled by at least one valve
- F04B43/0736—Pumps having fluid drive the actuating fluid being controlled by at least one valve with two or more pumping chambers in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L25/00—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means
- F01L25/02—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means
- F01L25/04—Drive, or adjustment during the operation, or distribution or expansion valves by non-mechanical means by fluid means by working-fluid of machine or engine, e.g. free-piston machine
- F01L25/06—Arrangements with main and auxiliary valves, at least one of them being fluid-driven
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Fluid-Driven Valves (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/320,811 US5527160A (en) | 1994-10-11 | 1994-10-11 | Mechanical shift, pneumatic assist pilot valve |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69521661D1 true DE69521661D1 (de) | 2001-08-16 |
DE69521661T2 DE69521661T2 (de) | 2002-05-02 |
Family
ID=23247966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69521661T Expired - Lifetime DE69521661T2 (de) | 1994-10-11 | 1995-10-11 | Verbessertes mechanisch gesteuertes pneumatisches Servoventil |
Country Status (5)
Country | Link |
---|---|
US (1) | US5527160A (de) |
EP (1) | EP0711905B1 (de) |
JP (1) | JPH08178114A (de) |
CA (1) | CA2159798C (de) |
DE (1) | DE69521661T2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6106246A (en) * | 1998-10-05 | 2000-08-22 | Trebor International, Inc. | Free-diaphragm pump |
US6957952B1 (en) | 1998-10-05 | 2005-10-25 | Trebor International, Inc. | Fiber optic system for detecting pump cycles |
US6695593B1 (en) | 1998-10-05 | 2004-02-24 | Trebor International, Inc. | Fiber optics systems for high purity pump diagnostics |
US6168387B1 (en) | 1999-10-28 | 2001-01-02 | Ingersoll-Rand Company | Reciprocating pump with linear displacement sensor |
US6280149B1 (en) | 1999-10-28 | 2001-08-28 | Ingersoll-Rand Company | Active feedback apparatus and air driven diaphragm pumps incorporating same |
US7134849B1 (en) | 2003-04-22 | 2006-11-14 | Trebor International, Inc. | Molded disposable pneumatic pump |
US6962487B2 (en) * | 2003-08-07 | 2005-11-08 | Versa-Matic Tool, Inc. | Fluid driven pump with improved exhaust port arrangement |
US7603854B2 (en) * | 2007-04-10 | 2009-10-20 | Illinois Tool Works Inc. | Pneumatically self-regulating valve |
US7603855B2 (en) * | 2007-04-10 | 2009-10-20 | Illinois Tool Works Inc. | Valve with magnetic detents |
US7587897B2 (en) * | 2007-04-10 | 2009-09-15 | Illinois Tool Works Inc. | Magnetically sequenced pneumatic motor |
US20090010768A1 (en) * | 2007-07-03 | 2009-01-08 | Versa-Matic Pump, Inc. | Pumping apparatus for shear-sensitive fluids |
US8167586B2 (en) * | 2008-08-22 | 2012-05-01 | Ingersoll-Rand Company | Valve assembly with low resistance pilot shifting |
KR101708104B1 (ko) | 2008-10-22 | 2017-02-17 | 그라코 미네소타 인크. | 휴대용 에어리스 스프레이어 |
CN103492781B (zh) | 2011-04-27 | 2016-04-27 | 格瑞克明尼苏达有限公司 | 往复式空气马达及用于其的端盖组件和从往复式空气马达中的阀杆上除去污染物的方法 |
CN103502654B (zh) | 2011-04-27 | 2016-02-10 | 格瑞克明尼苏达有限公司 | 带有热释放的往复泵阀组件 |
US9028224B2 (en) | 2011-09-23 | 2015-05-12 | Tuthill Corporation | Air operated double diaphragm pump |
USD667465S1 (en) | 2011-09-23 | 2012-09-18 | Tuthill Corporation | Double diaphragm pump assembly |
CN103696950B (zh) * | 2013-11-08 | 2016-05-11 | 安徽乐昌气动流体设备科技有限公司 | 一种气动隔膜泵的中心体组件 |
CN105992873B (zh) | 2014-02-07 | 2018-01-19 | 固瑞克明尼苏达有限公司 | 用于无脉动正位移泵的驱动*** |
US11007545B2 (en) | 2017-01-15 | 2021-05-18 | Graco Minnesota Inc. | Handheld airless paint sprayer repair |
US11022106B2 (en) | 2018-01-09 | 2021-06-01 | Graco Minnesota Inc. | High-pressure positive displacement plunger pump |
US11986850B2 (en) | 2018-04-10 | 2024-05-21 | Graco Minnesota Inc. | Handheld airless sprayer for paints and other coatings |
USD923060S1 (en) * | 2018-08-09 | 2021-06-22 | Psg Germany Gmbh | Pump |
TW202110541A (zh) | 2019-05-31 | 2021-03-16 | 美商葛萊兒明尼蘇達股份有限公司 | 手持式流體噴霧器 |
KR20220156622A (ko) | 2020-03-31 | 2022-11-25 | 그라코 미네소타 인크. | 전기 작동식 변위 펌프 |
US10968903B1 (en) | 2020-06-04 | 2021-04-06 | Graco Minnesota Inc. | Handheld sanitary fluid sprayer having resilient polymer pump cylinder |
US10926275B1 (en) | 2020-06-25 | 2021-02-23 | Graco Minnesota Inc. | Electrostatic handheld sprayer |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA724374B (en) * | 1971-07-12 | 1974-02-27 | Dorr Oliver Inc | Air pressure actuated double-acting diaphragm pump |
US3838946A (en) * | 1971-07-12 | 1974-10-01 | Dorr Oliver Inc | Air pressure-actuated double-acting diaphragm pump |
US4854832A (en) * | 1987-08-17 | 1989-08-08 | The Aro Corporation | Mechanical shift, pneumatic assist pilot valve for diaphragm pump |
US5232352A (en) * | 1992-04-06 | 1993-08-03 | Holcomb Corporation | Fluid activated double diaphragm pump |
US5277555A (en) * | 1992-12-31 | 1994-01-11 | Ronald L. Robinson | Fluid activated double diaphragm pump |
US5326234A (en) * | 1993-02-17 | 1994-07-05 | Versa-Matic Tool, Inc. | Fluid driven pump |
-
1994
- 1994-10-11 US US08/320,811 patent/US5527160A/en not_active Expired - Lifetime
-
1995
- 1995-10-03 CA CA002159798A patent/CA2159798C/en not_active Expired - Lifetime
- 1995-10-09 JP JP7261128A patent/JPH08178114A/ja active Pending
- 1995-10-11 DE DE69521661T patent/DE69521661T2/de not_active Expired - Lifetime
- 1995-10-11 EP EP95307198A patent/EP0711905B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2159798A1 (en) | 1996-04-12 |
EP0711905A2 (de) | 1996-05-15 |
EP0711905A3 (de) | 1997-07-16 |
US5527160A (en) | 1996-06-18 |
JPH08178114A (ja) | 1996-07-12 |
DE69521661T2 (de) | 2002-05-02 |
EP0711905B1 (de) | 2001-07-11 |
CA2159798C (en) | 2004-12-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: WIESE KONNERTH FISCHER PATENTANWAELTE PARTNERSCHAF |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: SCHROETER LEHMANN FISCHER & NEUGEBAUER, 81479 MUEN |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: PRUEFER & PARTNER GBR, 81479 MUENCHEN |