DE3152349C2 - Ölgedichtete Vakuumpumpe mit einem Saugstutzenventil - Google Patents
Ölgedichtete Vakuumpumpe mit einem SaugstutzenventilInfo
- Publication number
- DE3152349C2 DE3152349C2 DE19813152349 DE3152349A DE3152349C2 DE 3152349 C2 DE3152349 C2 DE 3152349C2 DE 19813152349 DE19813152349 DE 19813152349 DE 3152349 A DE3152349 A DE 3152349A DE 3152349 C2 DE3152349 C2 DE 3152349C2
- Authority
- DE
- Germany
- Prior art keywords
- valve
- vacuum pump
- chamber
- membrane
- pressure
- 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
- 239000012528 membrane Substances 0.000 claims description 20
- 239000012080 ambient air Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000284 resting effect Effects 0.000 claims description 2
- 238000013022 venting Methods 0.000 claims description 2
- 239000003570 air Substances 0.000 description 12
- 230000007547 defect Effects 0.000 description 8
- 239000012530 fluid Substances 0.000 description 7
- 239000000356 contaminant Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000004941 influx Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
- F16K51/02—Other details not peculiar to particular types of valves or cut-off apparatus specially adapted for high-vacuum installations
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/365—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a diaphragm
-
- 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
- Y10T137/7764—Choked or throttled pressure type
- Y10T137/7767—Loose fitting piston
-
- 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
- Y10T137/85978—With pump
- Y10T137/85986—Pumped fluid control
- Y10T137/86002—Fluid pressure responsive
- Y10T137/8601—And pilot valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Reciprocating Pumps (AREA)
- Fluid-Driven Valves (AREA)
- Details Of Valves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/195,874 US4366834A (en) | 1980-10-10 | 1980-10-10 | Back-flow prevention valve |
| PCT/US1981/001354 WO1982001407A1 (en) | 1980-10-10 | 1981-10-08 | Back-flow prevention valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3152349A1 DE3152349A1 (en) | 1982-12-16 |
| DE3152349C2 true DE3152349C2 (de) | 1996-07-11 |
Family
ID=22723176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813152349 Expired - Lifetime DE3152349C2 (de) | 1980-10-10 | 1981-10-08 | Ölgedichtete Vakuumpumpe mit einem Saugstutzenventil |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4366834A (enExample) |
| EP (1) | EP0062060B1 (enExample) |
| JP (1) | JPH0222273B2 (enExample) |
| CA (1) | CA1156122A (enExample) |
| DE (1) | DE3152349C2 (enExample) |
| GB (1) | GB2100839B (enExample) |
| WO (1) | WO1982001407A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19629137A1 (de) * | 1996-07-19 | 1998-01-22 | Gardena Kress & Kastner Gmbh | Steuereinrichtung für ein Fluid, wie Wasser |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3150000A1 (de) * | 1981-12-17 | 1983-07-14 | Leybold-Heraeus GmbH, 5000 Köln | Oelgedichtete vakuumpumpe |
| DE3150033A1 (de) * | 1981-12-17 | 1983-07-14 | Leybold-Heraeus GmbH, 5000 Köln | Vakuumpumpe mit einem saugstutzen-ventil und betriebsverfahren dafuer |
| JPS61256153A (ja) * | 1985-05-08 | 1986-11-13 | 株式会社豊田自動織機製作所 | 車両空調装置 |
| IT1207829B (it) * | 1987-02-04 | 1989-06-01 | Galileo Spa Off | Perfezionamento nel circuito di lubrificazione delle pompe rotative per vuoto. |
| US4968221A (en) * | 1989-04-03 | 1990-11-06 | Dresser Industries, Inc. | Intake valve for vacuum compressor |
| DE4325283A1 (de) * | 1993-07-28 | 1995-02-02 | Leybold Ag | Betriebsabhängig steuerbares Ventilsystem für eine Vakuumpumpe |
| DE4336020C2 (de) * | 1993-10-22 | 1997-05-15 | Roediger Anlagenbau | Steueranordnung für ein durch Unterdruck betätigbares Absperrventil |
| KR100408153B1 (ko) | 2001-08-14 | 2003-12-01 | 주식회사 우성진공 | 드라이 진공펌프 |
| US7836976B2 (en) * | 2005-10-20 | 2010-11-23 | Allied Construction Products, L.L.C. | Underground piercing tool |
| WO2011092930A1 (ja) * | 2010-01-29 | 2011-08-04 | アルバック機工株式会社 | ポンプ |
| ITBO20130351A1 (it) * | 2013-07-05 | 2015-01-06 | Gardner Denver S R L | Valvola di avviamento di una macchina operatrice a fluido funzionante in un impianto sottovuoto |
| US9587759B2 (en) | 2013-09-20 | 2017-03-07 | Itt Manufacturing Enterprises Llc | Quick release valve compressor |
| GB2549468B (en) * | 2016-04-14 | 2020-11-11 | Edwards Ltd | Protection valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE673497C (de) * | 1936-11-29 | 1939-03-23 | Leybold S Nachfolger E | Pumpe zur Erzeugung tiefer Druecke, insbesondere umlaufende OElluftpumpe |
| DE1266438B (de) * | 1960-01-04 | 1968-04-18 | Leybold Heraeus Gmbh & Co Kg | Sicherungsvorrichtung fuer Vakuumanlagen mit einem Verschlussventil |
| US3406897A (en) * | 1966-07-18 | 1968-10-22 | Leybold Holding Ag | Mechanical vacuum pump |
| GB1195361A (en) * | 1966-03-28 | 1970-06-17 | N G N Ltd | Improvements in and relating to Vacuum Pumping apparatus including a Rotary Vacuum Pump |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT76256B (de) * | 1916-03-27 | 1919-04-25 | Arthur Ing Hardt | Luftkompressor. |
| US1684987A (en) * | 1927-11-03 | 1928-09-18 | Kellogg Mfg Co | Check valve |
| US2362750A (en) * | 1942-06-26 | 1944-11-14 | John T Hayward | Pumping apparatus |
| US2594132A (en) * | 1945-11-02 | 1952-04-22 | American Brake Shoe Co | Intake type unloader for compressors and the like |
| NL6402422A (enExample) * | 1963-03-18 | 1964-09-21 | ||
| DE1775356B2 (de) * | 1968-08-01 | 1974-04-18 | Siemens Ag, 1000 Berlin U. 8000 Muenchen | Rückschlagventil |
| US4070001A (en) * | 1976-07-06 | 1978-01-24 | Musgrove Ronald R | Vacuum safety valve |
-
1980
- 1980-10-10 US US06/195,874 patent/US4366834A/en not_active Expired - Lifetime
-
1981
- 1981-10-08 WO PCT/US1981/001354 patent/WO1982001407A1/en not_active Ceased
- 1981-10-08 JP JP50337981A patent/JPH0222273B2/ja not_active Expired - Lifetime
- 1981-10-08 GB GB8213831A patent/GB2100839B/en not_active Expired
- 1981-10-08 DE DE19813152349 patent/DE3152349C2/de not_active Expired - Lifetime
- 1981-10-08 EP EP19810902892 patent/EP0062060B1/en not_active Expired
- 1981-10-09 CA CA000387717A patent/CA1156122A/en not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE673497C (de) * | 1936-11-29 | 1939-03-23 | Leybold S Nachfolger E | Pumpe zur Erzeugung tiefer Druecke, insbesondere umlaufende OElluftpumpe |
| DE1266438B (de) * | 1960-01-04 | 1968-04-18 | Leybold Heraeus Gmbh & Co Kg | Sicherungsvorrichtung fuer Vakuumanlagen mit einem Verschlussventil |
| GB1195361A (en) * | 1966-03-28 | 1970-06-17 | N G N Ltd | Improvements in and relating to Vacuum Pumping apparatus including a Rotary Vacuum Pump |
| US3406897A (en) * | 1966-07-18 | 1968-10-22 | Leybold Holding Ag | Mechanical vacuum pump |
Non-Patent Citations (1)
| Title |
|---|
| Weber, H.-P.: Ölgedichtete Rotationsvakuumpumpen, In: Vakuum-Technik, 29. Jg., 1980, H. 4, S. 98- 100 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19629137A1 (de) * | 1996-07-19 | 1998-01-22 | Gardena Kress & Kastner Gmbh | Steuereinrichtung für ein Fluid, wie Wasser |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0062060A1 (en) | 1982-10-13 |
| US4366834A (en) | 1983-01-04 |
| JPS57501742A (enExample) | 1982-09-24 |
| EP0062060B1 (en) | 1985-05-15 |
| GB2100839B (en) | 1983-09-14 |
| JPH0222273B2 (enExample) | 1990-05-17 |
| EP0062060A4 (en) | 1983-02-09 |
| GB2100839A (en) | 1983-01-06 |
| DE3152349A1 (en) | 1982-12-16 |
| WO1982001407A1 (en) | 1982-04-29 |
| CA1156122A (en) | 1983-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: WELCH VACUUM TECHNOLOGY, INC. (N. D. GES. D. STAAT |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings |