JPH06506040A - 往復動型真空ポンプ - Google Patents
往復動型真空ポンプInfo
- Publication number
- JPH06506040A JPH06506040A JP4506555A JP50655592A JPH06506040A JP H06506040 A JPH06506040 A JP H06506040A JP 4506555 A JP4506555 A JP 4506555A JP 50655592 A JP50655592 A JP 50655592A JP H06506040 A JPH06506040 A JP H06506040A
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pump
- seal
- bearing
- cylinder
- 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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/126—Cylinder liners
-
- 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
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/14—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use to obtain high vacuum
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
- F04B39/0292—Lubrication of pistons or cylinders
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
- F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
- F04B39/042—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod sealing being provided on the piston
Abstract
Description
Claims (10)
- 1.シリンダー(24,124)とこのシリンダー(24,124)内で往復運 動するほぼ円板状のピストン(22,122)とを備え、前記ピストンは潤滑ベ アリング(42,142)中で走行するロッド(34,134)により軸方向に 駆動されると共に、弾性材の外周シール(52,152)を有し、且つ前記シー ルは半径方向外側に且つ逆方向に延びた外周スカート部(54,56)を有し、 前記ベアリング(42,142)と、これとは反対側のピストン(122)側上 の空間との間に潤滑流路(50,48;150,148)を設けた往復動型真空 ポンプ。
- 2.前記シール(152)の断面がほぼY形である請求項1記載のポンプ。
- 3.前記外周スカート部(54,56)が使用時、前記ピストン(22,122 )の半径方向に延びたエンベロープ内にある請求項1又は2記載のポンプ。
- 4.前記シール(52,152)が前記ピストン(22,122)に接着される 前記各請求項のいずれかに記載のポンプ。
- 5.前記シール(52)が更に前記外周スカート部(54,56)の半径方向内 向きに且つピストン(22)の軸方向に延びる一体化した凸部を1個以上有し、 前記1個以上の凸部(57)は前記シリンダー(24,124)の非排気容積を 減少させる請求項4記載のポンプ。
- 6.前記潤滑流路が前記ロッド(34,134)の横断孔(50,150)と、 前記ロッド(34,134)の縦方向に延びて前記横断孔(50,150)と連 通する孔(48,148)とを有する前記各請求項のいずれかに記載のポンプ。
- 7.前記横断(50,150)孔が使用時、前記ピストン(22,122)の全 姿勢用ベアリング(42,142)内に位置する請求項6記載のポンプ。
- 8.前記ピストン(22,122)の両側にポンプ室(18,20;118,1 20)を有する前記各請求項のいずれかに記載のポンプ。
- 9.前記ロッド(34,134)が円形で、且つ前記ベアリング(42,142 )が前記ポンプの本体中に円筒形開口部によって規定される前記各請求項のいず れかに記載のポンプ。
- 10.前記ベアリング(42,142)が前記本体の開口部内の円筒形プッシュ である請求項9記載のポンプ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB919106047A GB9106047D0 (en) | 1991-03-21 | 1991-03-21 | Reciprocating vacuum pumps |
GB9106047.5 | 1991-03-21 | ||
PCT/GB1992/000531 WO1992016749A1 (en) | 1991-03-21 | 1992-03-23 | Reciprocating vacuum pumps |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06506040A true JPH06506040A (ja) | 1994-07-07 |
JP3210014B2 JP3210014B2 (ja) | 2001-09-17 |
Family
ID=10691983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50655592A Expired - Lifetime JP3210014B2 (ja) | 1991-03-21 | 1992-03-23 | 往復動型真空ポンプ |
Country Status (7)
Country | Link |
---|---|
US (1) | US5360324A (ja) |
EP (1) | EP0576512B1 (ja) |
JP (1) | JP3210014B2 (ja) |
DE (1) | DE69205156T2 (ja) |
ES (1) | ES2079186T3 (ja) |
GB (1) | GB9106047D0 (ja) |
WO (1) | WO1992016749A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9402828D0 (en) * | 1994-02-15 | 1994-04-06 | Wabco Automotive Uk | Vacuum pump |
AU2003210138A1 (en) * | 2002-02-18 | 2003-09-09 | Luk Automobiltechnik Gmbh And Co. Kg | Vacuum pump comprising a single-part connecting branch and housing element |
DE102009026417A1 (de) * | 2009-05-22 | 2010-12-02 | Robert Bosch Gmbh | Pumpengehäuse eines Kraftfahrzeug-Hydroaggregats |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2216353A (en) * | 1937-05-28 | 1940-10-01 | Frank Kinzbach | Piston |
US2188106A (en) * | 1938-02-28 | 1940-01-23 | George E Failing Supply Compan | Piston |
US2668656A (en) * | 1944-12-19 | 1954-02-09 | Jr Eugene T Booth | Sylphon sealed pump |
US4055950A (en) * | 1975-12-29 | 1977-11-01 | Grossman William C | Energy conversion system using windmill |
US4214507A (en) * | 1977-08-24 | 1980-07-29 | Vries Donald S Jr De | One-piece plastic piston |
GB2114681B (en) * | 1982-02-05 | 1985-11-13 | Dewandre Co Ltd C | Reciprocating vacuum pump |
JPS59206685A (ja) * | 1983-05-09 | 1984-11-22 | Toyota Motor Corp | ピストン式バキユ−ムポンプにおけるピストン摺動部の潤滑機構 |
JPS6238883A (ja) * | 1985-08-09 | 1987-02-19 | Toyota Motor Corp | ピストン摺動式バキユ−ムポンプ |
JPH02230983A (ja) * | 1989-03-03 | 1990-09-13 | Aisan Ind Co Ltd | ピストン摺動式バキユームポンプ |
JPH02118177U (ja) * | 1989-03-09 | 1990-09-21 | ||
US4976591A (en) * | 1990-03-02 | 1990-12-11 | Intevep, S.A. | Self lubricating, two stage variable compressor |
-
1991
- 1991-03-21 GB GB919106047A patent/GB9106047D0/en active Pending
-
1992
- 1992-03-23 ES ES92906857T patent/ES2079186T3/es not_active Expired - Lifetime
- 1992-03-23 JP JP50655592A patent/JP3210014B2/ja not_active Expired - Lifetime
- 1992-03-23 US US08/119,145 patent/US5360324A/en not_active Expired - Lifetime
- 1992-03-23 EP EP92906857A patent/EP0576512B1/en not_active Expired - Lifetime
- 1992-03-23 DE DE69205156T patent/DE69205156T2/de not_active Expired - Lifetime
- 1992-03-23 WO PCT/GB1992/000531 patent/WO1992016749A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE69205156T2 (de) | 1996-03-07 |
ES2079186T3 (es) | 1996-01-01 |
WO1992016749A1 (en) | 1992-10-01 |
GB9106047D0 (en) | 1991-05-08 |
EP0576512B1 (en) | 1995-09-27 |
US5360324A (en) | 1994-11-01 |
DE69205156D1 (de) | 1995-11-02 |
JP3210014B2 (ja) | 2001-09-17 |
EP0576512A1 (en) | 1994-01-05 |
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