EP0465757A3 - Cooling water pump - Google Patents

Cooling water pump Download PDF

Info

Publication number
EP0465757A3
EP0465757A3 EP19910101184 EP91101184A EP0465757A3 EP 0465757 A3 EP0465757 A3 EP 0465757A3 EP 19910101184 EP19910101184 EP 19910101184 EP 91101184 A EP91101184 A EP 91101184A EP 0465757 A3 EP0465757 A3 EP 0465757A3
Authority
EP
European Patent Office
Prior art keywords
cooling water
water pump
bearing
openings
penetrating
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
EP19910101184
Other languages
German (de)
Other versions
EP0465757B1 (en
EP0465757A2 (en
Inventor
Bernhard Dr. Gesenhues
Detlef Dr. Cordts
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to AT91101184T priority Critical patent/ATE98748T1/en
Publication of EP0465757A2 publication Critical patent/EP0465757A2/en
Publication of EP0465757A3 publication Critical patent/EP0465757A3/en
Application granted granted Critical
Publication of EP0465757B1 publication Critical patent/EP0465757B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/106—Shaft sealings especially adapted for liquid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Compressor (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

A cooling water pump for combustion engines has, between a sealing element 6 and a bearing 5, an annular chamber 7 provided with at least two openings 8, 9 penetrating the cover 2 of the bearing on opposing sides of the shaft 4. At least one absorbent disc 10 is provided axially between the ventilating openings 8, 9 and the bearing 5.
EP91101184A 1990-07-07 1991-01-30 Cooling water pump Expired - Lifetime EP0465757B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT91101184T ATE98748T1 (en) 1990-07-07 1991-01-30 COOLING WATER PUMP.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4021716 1990-07-07
DE4021716 1990-07-07

Publications (3)

Publication Number Publication Date
EP0465757A2 EP0465757A2 (en) 1992-01-15
EP0465757A3 true EP0465757A3 (en) 1992-02-19
EP0465757B1 EP0465757B1 (en) 1993-12-15

Family

ID=6409882

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91101184A Expired - Lifetime EP0465757B1 (en) 1990-07-07 1991-01-30 Cooling water pump

Country Status (6)

Country Link
US (1) US5131809A (en)
EP (1) EP0465757B1 (en)
JP (1) JPH086709B2 (en)
AT (1) ATE98748T1 (en)
DE (1) DE59100720D1 (en)
ES (1) ES2047347T3 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5154576A (en) * 1991-09-30 1992-10-13 General Motors Corporation Coolant pump drip collector with improved capacity
US5660521A (en) * 1996-03-19 1997-08-26 Navistar International Transportation Corp. Water pump seal coolant wick
GB2334559B (en) * 1998-02-20 2002-05-15 Rover Group A water pump seal arrangement
US6354249B1 (en) 2000-06-13 2002-03-12 Kohler Co. Engine with coolant pump
US6752590B2 (en) 2002-09-26 2004-06-22 International Engine Intellectual Property Company, Llc Water pump and impeller therefor
US8550039B2 (en) * 2010-10-28 2013-10-08 GM Global Technology Operations LLC Pump assembly and method of manufacturing same
DE102018123908A1 (en) * 2018-09-27 2020-04-02 Nidec Gpm Gmbh Rolling bearing with seal arrangement and water pump with the same
DE102018133464A1 (en) * 2018-12-21 2020-06-25 Nidec Gpm Gmbh Vehicle pump device for pumping a liquid and method for handling a leakage liquid in the vehicle pump device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2150078A (en) * 1938-06-28 1939-03-07 Pollock Jim Driving and sealing means for rotary fluid impellers
FR898840A (en) * 1943-09-06 1945-05-08 Liquid Rotary Pump Drive Device
US4768923A (en) * 1987-06-09 1988-09-06 General Motors Corporation Combined water pump, bearing and seal assembly
DE3821352C1 (en) * 1988-06-24 1989-11-02 Goetze Ag, 5093 Burscheid, De

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1520939A (en) * 1921-01-10 1924-12-30 Worthington Pump & Mach Corp Pump sealing and testing device
GB1359380A (en) * 1972-01-24 1974-07-10 Skf Uk Ltd Water circulating pumps for internal combustion engines
JPS62150596A (en) * 1985-12-25 1987-07-04 Nec Corp Semiconductor memory device
JPS62150596U (en) * 1986-03-17 1987-09-24
JPS63191236U (en) * 1987-05-29 1988-12-09

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2150078A (en) * 1938-06-28 1939-03-07 Pollock Jim Driving and sealing means for rotary fluid impellers
FR898840A (en) * 1943-09-06 1945-05-08 Liquid Rotary Pump Drive Device
US4768923A (en) * 1987-06-09 1988-09-06 General Motors Corporation Combined water pump, bearing and seal assembly
DE3821352C1 (en) * 1988-06-24 1989-11-02 Goetze Ag, 5093 Burscheid, De

Also Published As

Publication number Publication date
DE59100720D1 (en) 1994-01-27
EP0465757B1 (en) 1993-12-15
JPH04262095A (en) 1992-09-17
EP0465757A2 (en) 1992-01-15
US5131809A (en) 1992-07-21
JPH086709B2 (en) 1996-01-29
ES2047347T3 (en) 1994-02-16
ATE98748T1 (en) 1994-01-15

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