JPS5279306A - Low noise gear pump - Google Patents

Low noise gear pump

Info

Publication number
JPS5279306A
JPS5279306A JP15374975A JP15374975A JPS5279306A JP S5279306 A JPS5279306 A JP S5279306A JP 15374975 A JP15374975 A JP 15374975A JP 15374975 A JP15374975 A JP 15374975A JP S5279306 A JPS5279306 A JP S5279306A
Authority
JP
Japan
Prior art keywords
gear pump
low noise
noise gear
gear
simplify
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
JP15374975A
Other languages
Japanese (ja)
Inventor
Koichi Sakamoto
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.)
TCM Corp
Original Assignee
Toyo Umpanki Co 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 Toyo Umpanki Co Ltd filed Critical Toyo Umpanki Co Ltd
Priority to JP15374975A priority Critical patent/JPS5279306A/en
Publication of JPS5279306A publication Critical patent/JPS5279306A/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
    • 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
    • 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
    • F04C2/084—Toothed wheels
    • 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
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F04C2/16—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type

Landscapes

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

Abstract

PURPOSE: To largely reduce gear noise generated by the change in discharge oil pressure and simplify the construction of a gear pump, by arranging each gear tooth of driving and driven gears with a preset differentiated pitch.
COPYRIGHT: (C)1977,JPO&Japio
JP15374975A 1975-12-22 1975-12-22 Low noise gear pump Pending JPS5279306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15374975A JPS5279306A (en) 1975-12-22 1975-12-22 Low noise gear pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15374975A JPS5279306A (en) 1975-12-22 1975-12-22 Low noise gear pump

Publications (1)

Publication Number Publication Date
JPS5279306A true JPS5279306A (en) 1977-07-04

Family

ID=15569262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15374975A Pending JPS5279306A (en) 1975-12-22 1975-12-22 Low noise gear pump

Country Status (1)

Country Link
JP (1) JPS5279306A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52119504A (en) * 1976-03-31 1977-10-07 Tech Res & Dev Inst Of Japan Def Agency Geared pump motor
JPS591894U (en) * 1982-06-28 1984-01-07 株式会社島津製作所 gear pump

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52119504A (en) * 1976-03-31 1977-10-07 Tech Res & Dev Inst Of Japan Def Agency Geared pump motor
JPS591894U (en) * 1982-06-28 1984-01-07 株式会社島津製作所 gear pump
JPS6345581Y2 (en) * 1982-06-28 1988-11-25

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