FR2661954B1 - Pompe a vide alternative. - Google Patents
Pompe a vide alternative.Info
- Publication number
- FR2661954B1 FR2661954B1 FR9105482A FR9105482A FR2661954B1 FR 2661954 B1 FR2661954 B1 FR 2661954B1 FR 9105482 A FR9105482 A FR 9105482A FR 9105482 A FR9105482 A FR 9105482A FR 2661954 B1 FR2661954 B1 FR 2661954B1
- Authority
- FR
- France
- Prior art keywords
- vacuum pump
- alternative vacuum
- alternative
- pump
- vacuum
- 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
- 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
-
- 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
- F04B25/00—Multi-stage pumps
- F04B25/005—Multi-stage pumps with two 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
- 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
- F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2122450A JPH086688B2 (ja) | 1990-05-11 | 1990-05-11 | 多段往復動真空ポンプ |
JP2234090A JPH089986B2 (ja) | 1990-09-03 | 1990-09-03 | 往復動真空ポンプ |
JP2234091A JPH089988B2 (ja) | 1990-09-03 | 1990-09-03 | 往復動式真空ポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2661954A1 FR2661954A1 (fr) | 1991-11-15 |
FR2661954B1 true FR2661954B1 (fr) | 1995-06-16 |
Family
ID=27314456
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9105482A Expired - Lifetime FR2661954B1 (fr) | 1990-05-11 | 1991-05-03 | Pompe a vide alternative. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5252045A (fr) |
CA (1) | CA2042288C (fr) |
FR (1) | FR2661954B1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5482443A (en) * | 1992-12-21 | 1996-01-09 | Commonwealth Scientific And Industrial Research Organization | Multistage vacuum pump |
DE19501220A1 (de) * | 1995-01-17 | 1996-07-18 | Knorr Bremse Systeme | Verdichter |
GB2310464A (en) * | 1996-02-20 | 1997-08-27 | Henry John Levington | Improvements relating to vacuum pumps |
JP2005531688A (ja) * | 2002-05-24 | 2005-10-20 | ショット アーゲー | ワークピースの処理装置および処理方法 |
WO2003102416A1 (fr) * | 2002-05-31 | 2003-12-11 | Lg Electronics Inc. | Compresseur multi-etage |
DE102008005820A1 (de) * | 2007-09-11 | 2009-03-12 | Continental Teves Ag & Co. Ohg | Motor-Pumpenaggregat |
CN110792576A (zh) * | 2019-11-25 | 2020-02-14 | 胡杨沫 | 一种真空发生设备 |
CN111577571A (zh) * | 2020-06-22 | 2020-08-25 | 安庆市佰联无油压缩机有限公司 | 全无油高压氧气压缩机及装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US13559A (en) * | 1855-09-11 | Double-acting force-pump | ||
US591137A (en) * | 1897-10-05 | Air or gas compressor | ||
US519383A (en) * | 1894-05-08 | Air-compressing apparatus | ||
GB1430593A (en) * | 1972-04-19 | 1976-03-31 | Rca Corp | Record contact spindle |
GB1510637A (en) * | 1974-07-09 | 1978-05-10 | Page V | Double acting pump |
JPS53131506A (en) * | 1977-04-22 | 1978-11-16 | Tokico Ltd | Reciprocating compressor |
GB1583019A (en) * | 1978-05-31 | 1981-01-21 | Ass Eng Italia | Aluminium alloys and combination of a piston and cylinder |
US4900233A (en) * | 1988-06-02 | 1990-02-13 | Sundstrand Corporation | Reciprocating compressor providing a lubricant free compressed gas |
JPH02102972A (ja) * | 1988-10-07 | 1990-04-16 | Honda Motor Co Ltd | 摺動部材の組合せ |
JPH02102385A (ja) * | 1988-10-08 | 1990-04-13 | Toyo Eng Corp | 排気装置 |
GB8923739D0 (en) * | 1989-10-21 | 1989-12-06 | Normalair Garrett Ltd | Fluid compressors |
-
1991
- 1991-04-26 US US07/692,369 patent/US5252045A/en not_active Expired - Lifetime
- 1991-05-03 FR FR9105482A patent/FR2661954B1/fr not_active Expired - Lifetime
- 1991-05-10 CA CA002042288A patent/CA2042288C/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5252045A (en) | 1993-10-12 |
FR2661954A1 (fr) | 1991-11-15 |
CA2042288A1 (fr) | 1991-11-12 |
CA2042288C (fr) | 2002-12-10 |
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