DE68907465T2 - Mechanische Pumpen. - Google Patents

Mechanische Pumpen.

Info

Publication number
DE68907465T2
DE68907465T2 DE89310702T DE68907465T DE68907465T2 DE 68907465 T2 DE68907465 T2 DE 68907465T2 DE 89310702 T DE89310702 T DE 89310702T DE 68907465 T DE68907465 T DE 68907465T DE 68907465 T2 DE68907465 T2 DE 68907465T2
Authority
DE
Germany
Prior art keywords
mechanical pumps
pumps
mechanical
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 - Fee Related
Application number
DE89310702T
Other languages
English (en)
Other versions
DE68907465D1 (de
Inventor
Henryk Wycliffe
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.)
Edwards Ltd
Original Assignee
BOC Group 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 BOC Group Ltd filed Critical BOC Group Ltd
Publication of DE68907465D1 publication Critical patent/DE68907465D1/de
Application granted granted Critical
Publication of DE68907465T2 publication Critical patent/DE68907465T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/123—Rotary-piston pumps specially adapted for elastic fluids 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 radially or approximately radially from the rotor body extending tooth-like elements, co-operating with recesses in the other rotor, e.g. one tooth
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/082—Details specially related to intermeshing engagement type pumps
    • F04C18/088—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)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE89310702T 1988-10-28 1989-10-18 Mechanische Pumpen. Expired - Fee Related DE68907465T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888825284A GB8825284D0 (en) 1988-10-28 1988-10-28 Improvements in mechanical pumps

Publications (2)

Publication Number Publication Date
DE68907465D1 DE68907465D1 (de) 1993-08-12
DE68907465T2 true DE68907465T2 (de) 1993-10-21

Family

ID=10645948

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89310702T Expired - Fee Related DE68907465T2 (de) 1988-10-28 1989-10-18 Mechanische Pumpen.

Country Status (6)

Country Link
US (1) US5055017A (de)
EP (1) EP0366347B1 (de)
JP (1) JP3029202B2 (de)
DE (1) DE68907465T2 (de)
ES (1) ES2042004T3 (de)
GB (1) GB8825284D0 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4233142A1 (de) * 1992-10-02 1994-04-07 Leybold Ag Verfahren zum Betrieb einer Klauenvakuumpumpe und für die Durchführung dieses Betriebsverfahrens geeignete Klauenvakuumpumpe
DE19629174A1 (de) * 1996-07-19 1998-01-22 Leybold Vakuum Gmbh Klauenvakuumpumpe
GB2426036A (en) * 2005-05-10 2006-11-15 Bernard Whicher Vertical Northey compressor
RU2282063C1 (ru) * 2005-09-01 2006-08-20 Виктор Павлович Шлапацкий Роторная машина
US20070172790A1 (en) * 2006-01-26 2007-07-26 Midmark Corporation Dental Vacuum System
CN104929942B (zh) * 2015-07-09 2016-10-05 中国石油大学(华东) 一种全啮合的爪式转子型线
CN108050061B (zh) * 2018-01-09 2023-08-29 中国石油大学(华东) 一种高效爪式转子

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058817A (en) * 1931-12-22 1936-10-27 Northey Rotary Engines Ltd Rotary internal combustion engine
US2097037A (en) * 1933-08-25 1937-10-26 Northey Rotary Engines Ltd Rotary compressor or vacuum pump
US2289371A (en) * 1938-03-01 1942-07-14 Jarvis C Marble Rotary screw apparatus
US3472445A (en) 1968-04-08 1969-10-14 Arthur E Brown Rotary positive displacement machines
SE351012B (de) 1970-10-01 1972-11-13 Atlas Copco Ab
GB1335045A (en) * 1970-10-17 1973-10-24 Brown A E Rotary displacement machines
US4504201A (en) * 1982-11-22 1985-03-12 The Boc Group Plc Mechanical pumps

Also Published As

Publication number Publication date
EP0366347A3 (en) 1990-08-16
ES2042004T3 (es) 1993-12-01
DE68907465D1 (de) 1993-08-12
EP0366347A2 (de) 1990-05-02
JPH02185683A (ja) 1990-07-20
EP0366347B1 (de) 1993-07-07
JP3029202B2 (ja) 2000-04-04
US5055017A (en) 1991-10-08
GB8825284D0 (en) 1988-11-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: WIESE KONNERTH FISCHER PATENTANWAELTE PARTNERSCHAF

8327 Change in the person/name/address of the patent owner

Owner name: EDWARDS LTD., CRAWLEY, WEST SUSSEX, GB

8328 Change in the person/name/address of the agent

Representative=s name: FLEUCHAUS & GALLO, PATENTANWALT WOLFGANG GALLO, 86

8339 Ceased/non-payment of the annual fee