FR2012843A1 - - Google Patents
Info
- Publication number
- FR2012843A1 FR2012843A1 FR6923324A FR6923324A FR2012843A1 FR 2012843 A1 FR2012843 A1 FR 2012843A1 FR 6923324 A FR6923324 A FR 6923324A FR 6923324 A FR6923324 A FR 6923324A FR 2012843 A1 FR2012843 A1 FR 2012843A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H9/042—Explosion-proof cases
- H01H9/043—Explosion-proof cases with pressure-relief devices
-
- 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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
- F04C15/0049—Equalization of pressure pulses
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Fire-Detection Mechanisms (AREA)
- Casings For Electric Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3328968A GB1278050A (en) | 1968-07-12 | 1968-07-12 | Flameproof enclosures |
DE19681703802 DE1703802C3 (de) | 1968-07-12 | Zahnradpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2012843A1 true FR2012843A1 (fr) | 1970-03-27 |
Family
ID=25754677
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6923324A Withdrawn FR2012843A1 (fr) | 1968-07-12 | 1969-07-09 | |
FR6923850A Withdrawn FR2012893A1 (fr) | 1968-07-12 | 1969-07-11 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6923850A Withdrawn FR2012893A1 (fr) | 1968-07-12 | 1969-07-11 |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE735993A (fr) |
CH (1) | CH493740A (fr) |
DE (1) | DE1935147A1 (fr) |
FR (2) | FR2012843A1 (fr) |
GB (2) | GB1278050A (fr) |
NL (1) | NL163858C (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61108884A (ja) * | 1984-10-31 | 1986-05-27 | Aisin Seiki Co Ltd | トロコイド型オイルポンプ |
JPS6441686A (en) * | 1987-08-06 | 1989-02-13 | Giyuuji Negishi | Trochoid pump |
GB9014601D0 (en) * | 1990-06-30 | 1990-08-22 | Concentric Pumps Ltd | Improvements relating to gerotor pumps |
GB2252671B (en) * | 1991-02-07 | 1994-08-03 | Long & Crawford Limited | High power switching arrangement |
EP0619430B1 (fr) * | 1993-03-05 | 1997-07-23 | Siegfried A. Dipl.-Ing. Eisenmann | Pompe à engrenage internes pour gamme de vitesses rotatives élévées |
GB9400989D0 (en) * | 1994-01-19 | 1994-03-16 | Hobourn Automotive Ltd | Improvements in or relating to pumps |
JP3943826B2 (ja) * | 2000-11-09 | 2007-07-11 | 株式会社日立製作所 | オイルポンプ |
JP5681571B2 (ja) | 2011-06-06 | 2015-03-11 | 株式会社山田製作所 | オイルポンプ |
DE102013226852A1 (de) | 2013-12-20 | 2015-06-25 | Volkswagen Aktiengesellschaft | Zahnradpumpe |
-
1968
- 1968-07-12 GB GB3328968A patent/GB1278050A/en not_active Expired
-
1969
- 1969-07-04 CH CH1036269A patent/CH493740A/de not_active IP Right Cessation
- 1969-07-09 FR FR6923324A patent/FR2012843A1/fr not_active Withdrawn
- 1969-07-09 NL NL6910551A patent/NL163858C/xx not_active IP Right Cessation
- 1969-07-10 GB GB3476869A patent/GB1271677A/en not_active Expired
- 1969-07-11 BE BE735993D patent/BE735993A/xx unknown
- 1969-07-11 DE DE19691935147 patent/DE1935147A1/de active Pending
- 1969-07-11 FR FR6923850A patent/FR2012893A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE1703802B2 (de) | 1977-01-27 |
GB1271677A (en) | 1972-04-26 |
BE735993A (fr) | 1969-12-16 |
NL163858B (nl) | 1980-05-16 |
NL6910551A (fr) | 1970-01-14 |
NL163858C (nl) | 1980-10-15 |
FR2012893A1 (fr) | 1970-03-27 |
DE1703802A1 (de) | 1972-04-13 |
DE1935147A1 (de) | 1970-01-15 |
CH493740A (de) | 1970-07-15 |
GB1278050A (en) | 1972-06-14 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
TP | Transmission of property | ||
ST | Notification of lapse |