JPS52130006A - Gear pump - Google Patents

Gear pump

Info

Publication number
JPS52130006A
JPS52130006A JP4553476A JP4553476A JPS52130006A JP S52130006 A JPS52130006 A JP S52130006A JP 4553476 A JP4553476 A JP 4553476A JP 4553476 A JP4553476 A JP 4553476A JP S52130006 A JPS52130006 A JP S52130006A
Authority
JP
Japan
Prior art keywords
gear pump
jamping
gears
prevents
chamber formed
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.)
Pending
Application number
JP4553476A
Other languages
Japanese (ja)
Inventor
Tomiji Watabe
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP4553476A priority Critical patent/JPS52130006A/en
Publication of JPS52130006A publication Critical patent/JPS52130006A/en
Pending 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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/101—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with a crescent-shaped filler element, located between the inner and outer intermeshing members
    • 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
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/088—Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

PURPOSE: To obtain a gear pump that ensures low noises and prevents a jamping phenomenon generated in a confining chamber formed by the interlocking point of gears.
COPYRIGHT: (C)1977,JPO&Japio
JP4553476A 1976-04-23 1976-04-23 Gear pump Pending JPS52130006A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4553476A JPS52130006A (en) 1976-04-23 1976-04-23 Gear pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4553476A JPS52130006A (en) 1976-04-23 1976-04-23 Gear pump

Publications (1)

Publication Number Publication Date
JPS52130006A true JPS52130006A (en) 1977-11-01

Family

ID=12722047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4553476A Pending JPS52130006A (en) 1976-04-23 1976-04-23 Gear pump

Country Status (1)

Country Link
JP (1) JPS52130006A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6183491A (en) * 1984-09-29 1986-04-28 Aisin Seiki Co Ltd Internal contact type gear pump
DE4338876A1 (en) * 1993-11-13 1995-05-18 Eckerle Rexroth Gmbh Co Kg Hydraulic geared machine e.g. pump or motor
DE4440782C5 (en) * 1993-11-18 2006-05-24 Luk Automobiltechnik Gmbh & Co. Kg Internal gear pump with displacement projections
KR101007937B1 (en) * 2008-04-22 2011-01-28 (주)대현하이드로릭스 A gear pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6183491A (en) * 1984-09-29 1986-04-28 Aisin Seiki Co Ltd Internal contact type gear pump
JPH0526034B2 (en) * 1984-09-29 1993-04-14 Mitsubishi Materiaru Kk
DE4338876A1 (en) * 1993-11-13 1995-05-18 Eckerle Rexroth Gmbh Co Kg Hydraulic geared machine e.g. pump or motor
DE4338876C2 (en) * 1993-11-13 2001-10-18 Mannesmann Rexroth Ag Hydraulic gear machine (hydraulic pump or hydraulic motor)
DE4440782C5 (en) * 1993-11-18 2006-05-24 Luk Automobiltechnik Gmbh & Co. Kg Internal gear pump with displacement projections
KR101007937B1 (en) * 2008-04-22 2011-01-28 (주)대현하이드로릭스 A gear pump

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