EP0602357A1 - Pompe à engrenages - Google Patents

Pompe à engrenages Download PDF

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Publication number
EP0602357A1
EP0602357A1 EP93117448A EP93117448A EP0602357A1 EP 0602357 A1 EP0602357 A1 EP 0602357A1 EP 93117448 A EP93117448 A EP 93117448A EP 93117448 A EP93117448 A EP 93117448A EP 0602357 A1 EP0602357 A1 EP 0602357A1
Authority
EP
European Patent Office
Prior art keywords
housing
labyrinth seal
gear pump
bearing
shaft
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
Application number
EP93117448A
Other languages
German (de)
English (en)
Other versions
EP0602357B1 (fr
Inventor
Roger Stehr
Urs Boelsterli
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.)
Maag Pump Systems AG
Original Assignee
Maag Pump Systems AG
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.)
Filing date
Publication date
Application filed by Maag Pump Systems AG filed Critical Maag Pump Systems AG
Publication of EP0602357A1 publication Critical patent/EP0602357A1/fr
Application granted granted Critical
Publication of EP0602357B1 publication Critical patent/EP0602357B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F04C15/0038—Shaft sealings specially adapted for rotary-piston machines or pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
EP93117448A 1992-12-16 1993-10-28 Pompe à engrenages Expired - Lifetime EP0602357B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9217162U 1992-12-16
DE9217162U DE9217162U1 (fr) 1992-12-16 1992-12-16

Publications (2)

Publication Number Publication Date
EP0602357A1 true EP0602357A1 (fr) 1994-06-22
EP0602357B1 EP0602357B1 (fr) 1997-08-06

Family

ID=6887187

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93117448A Expired - Lifetime EP0602357B1 (fr) 1992-12-16 1993-10-28 Pompe à engrenages

Country Status (4)

Country Link
US (1) US5462420A (fr)
EP (1) EP0602357B1 (fr)
JP (1) JPH0749088A (fr)
DE (2) DE9217162U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000034554A1 (fr) * 1998-12-04 2000-06-15 Barmag Ag Pompe de filature

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2170792C (fr) * 1995-04-26 2002-06-25 Jason J. Hill Dispositif anti-fuite
US6544008B1 (en) * 1997-07-18 2003-04-08 John K. Apostolides Internal vent for reducing seal pressure in prelubrication pump assembly
US7137789B2 (en) * 1997-07-18 2006-11-21 Rpm Industries, Inc. Vent for reducing seal pressure in pump assembly
US9062575B2 (en) * 1997-10-30 2015-06-23 RPM Industries, LLC Methods and systems for performing, monitoring and analyzing multiple machine fluid processes
US7150286B2 (en) * 1997-10-30 2006-12-19 Rpm Industries, Inc. Methods and systems for performing, monitoring and analyzing multiple machine fluid processes
US6708710B1 (en) * 1997-10-30 2004-03-23 Rpm Industries, Inc. Vehicle fluid change apparatus and method
US6988506B1 (en) 1997-10-30 2006-01-24 Rpm Industries, Inc. Fluid transfer system
ITMO20010108A1 (it) * 2001-05-29 2002-11-29 Rossi Motoriduttori Spa Dispositivo di tenuta dinamica per riduttore
ITMI20020263A1 (it) * 2002-02-12 2003-08-12 Alfatech Srl Pompa per il trasporto di masse fuse di polimeri ed elastomeri
US20040070152A1 (en) * 2002-08-05 2004-04-15 Oehman Robert E. Ventilated pump shaft seal
US6853954B2 (en) * 2002-09-24 2005-02-08 John K. Apostolides Methods and systems for collecting and processing data in association with machine operation and maintenance
WO2017125995A1 (fr) * 2016-01-18 2017-07-27 三菱重工コンプレッサ株式会社 Dispositif d'étanchéité et machine rotative

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976405A (en) * 1974-10-29 1976-08-24 Cominco Ltd. Pump
US4293291A (en) * 1977-12-19 1981-10-06 General Signal Corporation Gear pump with improved shaft seal
US4336213A (en) * 1980-02-06 1982-06-22 Fox Steve A Plastic extrusion apparatus and method
GB2202005A (en) * 1987-03-12 1988-09-14 Ssp Pumps Pump
DE4125128A1 (de) * 1990-08-10 1992-02-13 Barmag Barmer Maschf Zahnradpumpe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1072421A (en) * 1911-01-11 1913-09-09 Brown Lipe Gear Co Lubricant-retaining means.
DE1553133A1 (de) * 1966-12-23 1970-07-30 Maag Zahnraeder & Maschinen Ag Hochdruck-Zahnradpumpe
US3945779A (en) * 1973-08-30 1976-03-23 Robert Bosch Gmbh Bearings for the trunnions of gears in gear pumps or the like
US4471963A (en) * 1984-01-09 1984-09-18 Luwa Corporation Sealing member for rotating shaft and method of sealing therewith

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3976405A (en) * 1974-10-29 1976-08-24 Cominco Ltd. Pump
US4293291A (en) * 1977-12-19 1981-10-06 General Signal Corporation Gear pump with improved shaft seal
US4336213A (en) * 1980-02-06 1982-06-22 Fox Steve A Plastic extrusion apparatus and method
GB2202005A (en) * 1987-03-12 1988-09-14 Ssp Pumps Pump
DE4125128A1 (de) * 1990-08-10 1992-02-13 Barmag Barmer Maschf Zahnradpumpe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000034554A1 (fr) * 1998-12-04 2000-06-15 Barmag Ag Pompe de filature
US6315537B1 (en) 1998-12-04 2001-11-13 Barmag Ag Spin pump having a cooling sleeve surrounding the drive shaft

Also Published As

Publication number Publication date
DE9217162U1 (fr) 1993-03-25
JPH0749088A (ja) 1995-02-21
US5462420A (en) 1995-10-31
DE59307068D1 (de) 1997-09-11
EP0602357B1 (fr) 1997-08-06

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