DE3448252C2 - - Google Patents

Info

Publication number
DE3448252C2
DE3448252C2 DE19843448252 DE3448252A DE3448252C2 DE 3448252 C2 DE3448252 C2 DE 3448252C2 DE 19843448252 DE19843448252 DE 19843448252 DE 3448252 A DE3448252 A DE 3448252A DE 3448252 C2 DE3448252 C2 DE 3448252C2
Authority
DE
Germany
Prior art keywords
teeth
sickle
internal gear
circles
inlet
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
DE19843448252
Other languages
German (de)
English (en)
Inventor
Siegfried 5608 Radevormwald De Hertell
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.)
Oerlikon Barmag AG
Original Assignee
Barmag 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 Barmag AG filed Critical Barmag AG
Priority to DE19843448252 priority Critical patent/DE3448252C2/de
Application granted granted Critical
Publication of DE3448252C2 publication Critical patent/DE3448252C2/de
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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/06—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
    • F04C15/064—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps
    • F04C15/066—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type
    • F04C15/068—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps of the non-return type of the elastic type, e.g. reed valves
    • 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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Rotary Pumps (AREA)
DE19843448252 1983-12-14 1984-12-08 Expired - Lifetime DE3448252C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19843448252 DE3448252C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-12-14 1984-12-08

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3345236 1983-12-14
DE3346727 1983-12-23
DE3407540 1984-03-01
DE19843448252 DE3448252C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-12-14 1984-12-08

Publications (1)

Publication Number Publication Date
DE3448252C2 true DE3448252C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-10-08

Family

ID=27433044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19843448252 Expired - Lifetime DE3448252C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-12-14 1984-12-08

Country Status (1)

Country Link
DE (1) DE3448252C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008054474A1 (de) 2008-12-10 2010-06-17 Zf Friedrichshafen Ag Innenzahnradpumpe mit optimiertem Geräuschverhalten

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2720406A1 (de) * 1977-05-06 1978-11-09 Audi Nsu Auto Union Ag Inneneingriffszahnradpumpe vorzugsweise fuer brennkraftmaschinen in antriebsaggregaten von kraftfahrzeugen
DE3005657A1 (de) * 1980-02-15 1981-08-20 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Zahnradpumpe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2720406A1 (de) * 1977-05-06 1978-11-09 Audi Nsu Auto Union Ag Inneneingriffszahnradpumpe vorzugsweise fuer brennkraftmaschinen in antriebsaggregaten von kraftfahrzeugen
DE3005657A1 (de) * 1980-02-15 1981-08-20 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Zahnradpumpe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008054474A1 (de) 2008-12-10 2010-06-17 Zf Friedrichshafen Ag Innenzahnradpumpe mit optimiertem Geräuschverhalten
DE102008054474B4 (de) * 2008-12-10 2013-07-25 Zf Friedrichshafen Ag Innenzahnradpumpe mit optimiertem Geräuschverhalten
US8579618B2 (en) 2008-12-10 2013-11-12 Zf Friedrichshafen Ag Internal gear pump with optimized noise behaviour

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