FR2685392B1 - DEVICE FOR SECURING THE LUBRICATION OF GAS TRANSFER MACHINES. - Google Patents

DEVICE FOR SECURING THE LUBRICATION OF GAS TRANSFER MACHINES.

Info

Publication number: FR2685392B1
Authority: FR; France
Prior art keywords: lubrication; securing; gas transfer; transfer machines; machines
Prior art date: 1991-12-18
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 - Fee Related

Application number

FR9115731A

Other languages

French (fr)

Other versions

FR2685392A1 (en

Inventor

Jean-Marie Crinquette

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Nokia Inc

Original Assignee

Nokia Inc

Priority date (The priority date 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 date listed.)

1991-12-18

Filing date

1991-12-18

Publication date

1995-04-28

1991-12-18 Application filed by Nokia Inc filed Critical Nokia Inc

1991-12-18 Priority to FR9115731A priority Critical patent/FR2685392B1/en

1993-06-25 Publication of FR2685392A1 publication Critical patent/FR2685392A1/en

1995-04-28 Application granted granted Critical

1995-04-28 Publication of FR2685392B1 publication Critical patent/FR2685392B1/en

2011-12-18 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0021—Systems for the equilibration of forces acting on the pump
- F04C29/0028—Internal leakage control

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Compressor (AREA)

FR9115731A 1991-12-18 1991-12-18 DEVICE FOR SECURING THE LUBRICATION OF GAS TRANSFER MACHINES. Expired - Fee Related FR2685392B1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR9115731A FR2685392B1 (en)	1991-12-18	1991-12-18	DEVICE FOR SECURING THE LUBRICATION OF GAS TRANSFER MACHINES.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR9115731A FR2685392B1 (en)	1991-12-18	1991-12-18	DEVICE FOR SECURING THE LUBRICATION OF GAS TRANSFER MACHINES.

Publications (2)

Publication Number	Publication Date
FR2685392A1 FR2685392A1 (en)	1993-06-25
FR2685392B1 true FR2685392B1 (en)	1995-04-28

Family

ID=9420188

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR9115731A Expired - Fee Related FR2685392B1 (en)	1991-12-18	1991-12-18	DEVICE FOR SECURING THE LUBRICATION OF GAS TRANSFER MACHINES.

Country Status (1)

Country	Link
FR (1)	FR2685392B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3556697A (en) *	1969-04-10	1971-01-19	Ingersoll Rand Co	Sealing arrangement for vacuum pump
US4747752A (en) *	1987-04-20	1988-05-31	Somarakis, Inc.	Sealing and dynamic operation of a liquid ring pump
FR2638788B1 (en) *	1988-11-07	1994-01-28	Alcatel Cit	MULTI-STAGE ROOTS TYPE VACUUM PUMP
FR2657654B1 (en) *	1990-01-26	1993-05-14	Dresser Produits Indls	SUPPORT BEARING FOR THE DRIVE SHAFT OF AN OIL LEAKAGE COMPRESSOR, AND COMPRESSOR EQUIPPED WITH THIS BEARING.

1991
- 1991-12-18 FR FR9115731A patent/FR2685392B1/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
FR2685392A1 (en)	1993-06-25

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Legal Events

Date	Code	Title	Description
1997-10-31	ST	Notification of lapse