EP0053868A3 - Nutating piston pump - Google Patents

Nutating piston pump Download PDF

Info

Publication number
EP0053868A3
EP0053868A3 EP81301961A EP81301961A EP0053868A3 EP 0053868 A3 EP0053868 A3 EP 0053868A3 EP 81301961 A EP81301961 A EP 81301961A EP 81301961 A EP81301961 A EP 81301961A EP 0053868 A3 EP0053868 A3 EP 0053868A3
Authority
EP
European Patent Office
Prior art keywords
pump
chamber
pair
exhaust
eccentric
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.)
Withdrawn
Application number
EP81301961A
Other languages
German (de)
French (fr)
Other versions
EP0053868A2 (en
Inventor
Kazuichi Ito
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0053868A2 publication Critical patent/EP0053868A2/en
Publication of EP0053868A3 publication Critical patent/EP0053868A3/en
Withdrawn legal-status Critical Current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
    • F04C5/00—Rotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable
    • 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
    • F04C2/02—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C2/04—Rotary-piston machines or pumps of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents of internal axis type

Landscapes

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

Abstract

A rotary pump having an eccentric rotor (14) adapted to effect eccentric motion relative to the axis of the pump shaft (7) within a pump casing (1) to cause pumping action in a pump chamber. The pump comprises a pump casing (1), a pump shaft (7) mounted on the pump casing, a pair of eccentric rotors (14) mounted on the pump shaft (7) with angular spacing apart of 180°, a pair of diaphragms (24) on the eccentric rotors (14) to define a pair of pump chambers P, a partition member (36) adapted to divide the pump chamber into a suction chamber (Pi) and an exhaust chamber (Pe), and an intake port (42) and an exhaust port (43) in communica­ tion with the suction and exhaust chambers, respectively, the intake port being cut off from its communication with the exhaust port by the partition member during rotation of the pump shaft.
EP81301961A 1980-12-06 1981-05-05 Nutating piston pump Withdrawn EP0053868A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP172478/80 1980-12-06
JP17247880A JPS5797090A (en) 1980-12-06 1980-12-06 Rotary pump

Publications (2)

Publication Number Publication Date
EP0053868A2 EP0053868A2 (en) 1982-06-16
EP0053868A3 true EP0053868A3 (en) 1983-08-03

Family

ID=15942724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81301961A Withdrawn EP0053868A3 (en) 1980-12-06 1981-05-05 Nutating piston pump

Country Status (2)

Country Link
EP (1) EP0053868A3 (en)
JP (1) JPS5797090A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR8605494A (en) * 1985-02-27 1987-04-22 Gutag Innovations Ag DISPLACEMENT MACHINE, OVERALL DISPLACEMENT PUMP, AND PROCESS FOR YOUR MANUFACTURING
DE3815252A1 (en) * 1988-05-05 1989-11-16 Knf Neuberger Gmbh RING DIAPHRAGM PUMP
GB9614866D0 (en) * 1996-07-15 1996-09-04 Charles Austen Pumps Ltd Rotary pump
US7198883B2 (en) 2004-09-24 2007-04-03 Agfa-Gevaert Processless lithographic printing plate
JP2009243349A (en) * 2008-03-31 2009-10-22 Nidec Sankyo Corp Rotary diaphragm pump
GB2564677B (en) 2017-07-19 2019-07-31 Charles Austen Pumps Ltd A rotary diaphragm positive displacement pump
GB2564682B (en) * 2017-07-19 2020-01-29 Charles Austen Pumps Ltd A rotary diaphragm positive displacement pump
DE102019213611A1 (en) * 2019-09-06 2021-03-11 Ebm-Papst St. Georgen Gmbh & Co. Kg Orbital pump device with crown for pumping liquid medium as well as method and use

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE571668C (en) * 1929-05-23 1933-03-03 Edouard Godillot Rotary piston compressor, pump, etc. with a rotating housing
GB671094A (en) * 1949-08-17 1952-04-30 Vanton Pump Corp Rotary pumps
FR1095539A (en) * 1953-12-10 1955-06-03 Rotary pump
US2946291A (en) * 1957-01-14 1960-07-26 Roebig Christ & Co Inc Suction and pressure pump
LU39826A1 (en) * 1961-02-24 1961-04-24
GB2018900A (en) * 1978-04-11 1979-10-24 Ito Kazuichi Rotary positive displacement fluid-machines
US4219314A (en) * 1979-01-22 1980-08-26 Thermo King Corporation Rolling piston rotary compressor

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE571668C (en) * 1929-05-23 1933-03-03 Edouard Godillot Rotary piston compressor, pump, etc. with a rotating housing
GB671094A (en) * 1949-08-17 1952-04-30 Vanton Pump Corp Rotary pumps
FR1095539A (en) * 1953-12-10 1955-06-03 Rotary pump
US2946291A (en) * 1957-01-14 1960-07-26 Roebig Christ & Co Inc Suction and pressure pump
LU39826A1 (en) * 1961-02-24 1961-04-24
GB2018900A (en) * 1978-04-11 1979-10-24 Ito Kazuichi Rotary positive displacement fluid-machines
US4219314A (en) * 1979-01-22 1980-08-26 Thermo King Corporation Rolling piston rotary compressor

Also Published As

Publication number Publication date
EP0053868A2 (en) 1982-06-16
JPS5797090A (en) 1982-06-16

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

Designated state(s): CH DE FR GB IT NL

RBV Designated contracting states (corrected)

Designated state(s): CH DE FR GB IT LI NL

PUAL Search report despatched

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AK Designated contracting states

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STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19840703