CA2012693A1 - Soupape d'admission pour compresseur a vide - Google Patents
Soupape d'admission pour compresseur a videInfo
- Publication number
- CA2012693A1 CA2012693A1 CA2012693A CA2012693A CA2012693A1 CA 2012693 A1 CA2012693 A1 CA 2012693A1 CA 2012693 A CA2012693 A CA 2012693A CA 2012693 A CA2012693 A CA 2012693A CA 2012693 A1 CA2012693 A1 CA 2012693A1
- Authority
- CA
- Canada
- Prior art keywords
- vacuum
- valve assembly
- pump
- valve
- intake valve
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
-
- 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
- F04B49/225—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 with throttling valves or valves varying the pump inlet opening or the outlet opening
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S137/00—Fluid handling
- Y10S137/907—Vacuum-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
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
- Y10T137/7769—Single acting fluid servo
- Y10T137/777—Spring biased
-
- 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
- Y10T137/8593—Systems
- Y10T137/86493—Multi-way valve unit
- Y10T137/86718—Dividing into parallel flow paths with recombining
- Y10T137/86759—Reciprocating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/332,804 US4968221A (en) | 1989-04-03 | 1989-04-03 | Intake valve for vacuum compressor |
US332,804 | 1989-04-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2012693A1 true CA2012693A1 (fr) | 1990-10-03 |
CA2012693C CA2012693C (fr) | 1994-10-11 |
Family
ID=23299927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002012693A Expired - Fee Related CA2012693C (fr) | 1989-04-03 | 1990-03-21 | Soupape d'admission pour compresseur a vide |
Country Status (3)
Country | Link |
---|---|
US (1) | US4968221A (fr) |
EP (1) | EP0391064A1 (fr) |
CA (1) | CA2012693C (fr) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0587076A (ja) * | 1991-09-27 | 1993-04-06 | Ebara Corp | スクリユー式真空ポンプ |
AT402542B (de) * | 1992-06-02 | 1997-06-25 | Hoerbiger Ventilwerke Ag | Ansaugregelventil |
US5388967A (en) * | 1993-03-10 | 1995-02-14 | Sullair Corporation | Compressor start control and air inlet valve therefor |
CN1042665C (zh) * | 1993-10-30 | 1999-03-24 | 霍尔格阀门工厂股份公司 | 吸流调节阀 |
US5456582A (en) * | 1993-12-23 | 1995-10-10 | Sullair Corporation | Compressor inlet valve with improved response time |
US6047557A (en) | 1995-06-07 | 2000-04-11 | Copeland Corporation | Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
US5540558A (en) * | 1995-08-07 | 1996-07-30 | Ingersoll-Rand Company | Apparatus and method for electronically controlling inlet flow and preventing backflow in a compressor |
US6206652B1 (en) | 1998-08-25 | 2001-03-27 | Copeland Corporation | Compressor capacity modulation |
US6431210B1 (en) * | 2001-03-27 | 2002-08-13 | Ingersoll-Rand Company | Inlet unloader valve |
DE10150015A1 (de) * | 2001-10-11 | 2003-04-17 | Leybold Vakuum Gmbh | Mehrkammeranlage zur Behandlung von Gegenständen unter Vakuum, Verfahren zur Evakuierung dieser Anlage und Evakuierungssystem dafür |
EP1616098A4 (fr) * | 2003-04-22 | 2011-04-27 | Conrader R Co | Compresseur d'air a mecanisme de regulation d'entree d'air et mecanisme de regulation d'entree automatique |
US7568503B2 (en) | 2005-08-10 | 2009-08-04 | Cameron International Corporation | Compressor throttling valve assembly |
NL1030757C2 (nl) * | 2005-12-23 | 2007-06-26 | Maasland Nv | Ventiel voorzien van een doorgang voor het doorvoeren van een medium. |
US8157538B2 (en) * | 2007-07-23 | 2012-04-17 | Emerson Climate Technologies, Inc. | Capacity modulation system for compressor and method |
WO2010088271A2 (fr) * | 2009-01-27 | 2010-08-05 | Emerson Climate Technologies, Inc. | Système bipasse de démarrage et procédé pour un compresseur |
CN102695880B (zh) * | 2010-01-15 | 2016-01-20 | 英格索尔-兰德公司 | 液气分离元件的成形密封环 |
CN102725532B (zh) * | 2010-01-29 | 2015-09-23 | Ulvac机工株式会社 | 泵 |
US9441453B2 (en) * | 2010-08-04 | 2016-09-13 | Safoco, Inc. | Safety valve control system and method of use |
US9109717B2 (en) * | 2011-07-08 | 2015-08-18 | Fmc Technologies, Inc. | Electronically controlled pressure relief valve |
US9915373B2 (en) * | 2011-07-08 | 2018-03-13 | Fmc Technologies, Inc. | Electronically controlled pressure relief valve |
EP3245402B1 (fr) | 2015-01-15 | 2023-07-12 | Atlas Copco Airpower, Naamloze Vennootschap | Soupape d'admission et pompe à vide pourvue d'une telle soupape d'admission |
BE1023111B1 (nl) * | 2015-01-15 | 2016-11-23 | Atlas Copco Airpower Naamloze Vennootschap | Inlaatklep en vacuümpomp voorzien van een dergelijke inlaatklep. |
AU2016200975A1 (en) | 2015-02-16 | 2016-09-01 | Tti (Macao Commercial Offshore) Limited | Air inlet control for air compressor |
US20180058453A1 (en) * | 2016-08-30 | 2018-03-01 | Agilent Technologies, Inc. | Hermetic vacuum pump isolation valve |
US10450815B2 (en) | 2016-11-21 | 2019-10-22 | Cameron International Corporation | Flow restrictor system |
US11204022B2 (en) | 2018-08-14 | 2021-12-21 | Milwaukee Electric Tool Corporation | Air compressor |
CN113175431A (zh) * | 2021-04-19 | 2021-07-27 | 南通贝科真空机械有限公司 | 一种气阀可调节的螺杆真空泵 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2556623A (en) * | 1946-03-26 | 1951-06-12 | Lipkau Maximiliano Alvarez | Means for automatically opening and closing a compressor intake |
US2938538A (en) * | 1956-08-16 | 1960-05-31 | Thompson Ramo Wooldridge Inc | Flow regulating valve |
US2961147A (en) * | 1958-04-07 | 1960-11-22 | Westinghouse Air Brake Co | Control system for fluid compressors |
US3085589A (en) * | 1960-06-06 | 1963-04-16 | Asa D Sands | Safety valve |
GB970900A (en) * | 1962-09-04 | 1964-09-23 | Alan Sydney Darling | Improvements in and relating to rotary vacuum pumps |
US3602610A (en) * | 1970-02-19 | 1971-08-31 | Worthington Corp | Control system for rotary compressors |
US3788776A (en) * | 1972-08-10 | 1974-01-29 | Gardner Denver Co | Compressor unloading control |
US4193742A (en) * | 1974-10-31 | 1980-03-18 | Arthur Pfeiffer Vakuumtechnik Wetzlar Gmbh | Vacuum pump assembly with built-in shutoff valve |
US4108134A (en) * | 1976-06-25 | 1978-08-22 | Malec Jerry P | Modulator valve |
US4070001A (en) * | 1976-07-06 | 1978-01-24 | Musgrove Ronald R | Vacuum safety valve |
US4366834A (en) * | 1980-10-10 | 1983-01-04 | Sargent-Welch Scientific Company | Back-flow prevention valve |
DE3150033A1 (de) * | 1981-12-17 | 1983-07-14 | Leybold-Heraeus GmbH, 5000 Köln | Vakuumpumpe mit einem saugstutzen-ventil und betriebsverfahren dafuer |
FR2534324B1 (fr) * | 1982-10-08 | 1986-03-28 | Barmag Barmer Maschf | Pompe a vide |
US4621544A (en) * | 1984-06-28 | 1986-11-11 | Tran-Saver, Inc. | Adjustable fully automatic vacuum modulator control for automatic transmission having a vacuum modulator |
-
1989
- 1989-04-03 US US07/332,804 patent/US4968221A/en not_active Expired - Fee Related
-
1990
- 1990-02-27 EP EP90103839A patent/EP0391064A1/fr not_active Ceased
- 1990-03-21 CA CA002012693A patent/CA2012693C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2012693C (fr) | 1994-10-11 |
US4968221A (en) | 1990-11-06 |
EP0391064A1 (fr) | 1990-10-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |