FR2881188B1 - METHOD FOR DESIGNING THE TOOTH PROFILES OF THE GEAR PUMP TOOLS AND PUMP PRODUCED ACCORDING TO SAID PROCESS - Google Patents

METHOD FOR DESIGNING THE TOOTH PROFILES OF THE GEAR PUMP TOOLS AND PUMP PRODUCED ACCORDING TO SAID PROCESS

Info

Publication number
FR2881188B1
FR2881188B1 FR0500802A FR0500802A FR2881188B1 FR 2881188 B1 FR2881188 B1 FR 2881188B1 FR 0500802 A FR0500802 A FR 0500802A FR 0500802 A FR0500802 A FR 0500802A FR 2881188 B1 FR2881188 B1 FR 2881188B1
Authority
FR
France
Prior art keywords
pump
designing
produced according
tools
gear pump
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.)
Expired - Lifetime
Application number
FR0500802A
Other languages
French (fr)
Other versions
FR2881188A1 (en
Inventor
Didier Grattery
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.)
JTEKT Europe SAS
Original Assignee
KOYO HPI
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 KOYO HPI filed Critical KOYO HPI
Priority to FR0500802A priority Critical patent/FR2881188B1/en
Publication of FR2881188A1 publication Critical patent/FR2881188A1/en
Application granted granted Critical
Publication of FR2881188B1 publication Critical patent/FR2881188B1/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
    • 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
    • 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
    • F04C2/12—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
    • F04C2/18—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 similar tooth forms

Landscapes

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

Abstract

The method involves choosing pinions teeth (10a, 10b, 11a, 11b) having a curved contact path. Variation of fluid volume confined between two consecutive teeth of two pinions (10, 11) meshed with each other is reduced. Relation between the confined volume and the curvature of the contact path is examined. The profile of the teeth is established from the chosen contact path. An independent claim is also included for a gear pump.
FR0500802A 2005-01-26 2005-01-26 METHOD FOR DESIGNING THE TOOTH PROFILES OF THE GEAR PUMP TOOLS AND PUMP PRODUCED ACCORDING TO SAID PROCESS Expired - Lifetime FR2881188B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0500802A FR2881188B1 (en) 2005-01-26 2005-01-26 METHOD FOR DESIGNING THE TOOTH PROFILES OF THE GEAR PUMP TOOLS AND PUMP PRODUCED ACCORDING TO SAID PROCESS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0500802A FR2881188B1 (en) 2005-01-26 2005-01-26 METHOD FOR DESIGNING THE TOOTH PROFILES OF THE GEAR PUMP TOOLS AND PUMP PRODUCED ACCORDING TO SAID PROCESS

Publications (2)

Publication Number Publication Date
FR2881188A1 FR2881188A1 (en) 2006-07-28
FR2881188B1 true FR2881188B1 (en) 2013-11-15

Family

ID=34955158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0500802A Expired - Lifetime FR2881188B1 (en) 2005-01-26 2005-01-26 METHOD FOR DESIGNING THE TOOTH PROFILES OF THE GEAR PUMP TOOLS AND PUMP PRODUCED ACCORDING TO SAID PROCESS

Country Status (1)

Country Link
FR (1) FR2881188B1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1269056A (en) * 1968-07-03 1972-03-29 Henry Edward Merritt Gear type pumps
DE3737403A1 (en) * 1987-11-04 1989-05-24 Bosch Gmbh Robert HYDRAULIC GEAR MACHINE (PUMP OR MOTOR)
DE4310211A1 (en) * 1993-03-29 1994-03-24 Bosch Gmbh Robert Hydraulic gear pump or motor with main gear pair (5) - has second compensation gear pair (5) with continuously meshing tooth pair(s)
DE19548613C2 (en) * 1995-12-23 2003-08-21 Bosch Gmbh Robert gear machine
DE19612497B4 (en) * 1996-03-29 2004-02-05 Robert Bosch Gmbh gear machine

Also Published As

Publication number Publication date
FR2881188A1 (en) 2006-07-28

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