DE3373202D1 - Seal for rotary piston pump - Google Patents

Seal for rotary piston pump

Info

Publication number
DE3373202D1
DE3373202D1 DE8383901375T DE3373202T DE3373202D1 DE 3373202 D1 DE3373202 D1 DE 3373202D1 DE 8383901375 T DE8383901375 T DE 8383901375T DE 3373202 T DE3373202 T DE 3373202T DE 3373202 D1 DE3373202 D1 DE 3373202D1
Authority
DE
Germany
Prior art keywords
seal
piston pump
rotary piston
rotary
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
Application number
DE8383901375T
Other languages
German (de)
Inventor
Udo Segebrecht
Christian Dahmlos
Erwin Holthusen
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.)
Sterling Fluid Systems Germany GmbH
Original Assignee
Sihi GmbH and Co KG
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 Sihi GmbH and Co KG filed Critical Sihi GmbH and Co KG
Priority to DE8383901375T priority Critical patent/DE3373202D1/en
Application granted granted Critical
Publication of DE3373202D1 publication Critical patent/DE3373202D1/en
Expired 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F04C27/009—Shaft sealings specially adapted for pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Closures For Containers (AREA)
DE8383901375T 1982-05-06 1983-05-03 Seal for rotary piston pump Expired DE3373202D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8383901375T DE3373202D1 (en) 1982-05-06 1983-05-03 Seal for rotary piston pump

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3216990A DE3216990A1 (en) 1982-05-06 1982-05-06 ROLLING PISTON PUMP
PCT/EP1983/000116 WO1983004075A1 (en) 1982-05-06 1983-05-03 Seal for rotary piston pump
DE8383901375T DE3373202D1 (en) 1982-05-06 1983-05-03 Seal for rotary piston pump

Publications (1)

Publication Number Publication Date
DE3373202D1 true DE3373202D1 (en) 1987-10-01

Family

ID=6162896

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3216990A Withdrawn DE3216990A1 (en) 1982-05-06 1982-05-06 ROLLING PISTON PUMP
DE8383901375T Expired DE3373202D1 (en) 1982-05-06 1983-05-03 Seal for rotary piston pump

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3216990A Withdrawn DE3216990A1 (en) 1982-05-06 1982-05-06 ROLLING PISTON PUMP

Country Status (10)

Country Link
EP (1) EP0107691B1 (en)
JP (1) JPS59500825A (en)
AU (1) AU1516583A (en)
DE (2) DE3216990A1 (en)
DK (1) DK153174C (en)
ES (1) ES271911Y (en)
IT (1) IT1212953B (en)
NO (1) NO834827L (en)
WO (1) WO1983004075A1 (en)
ZA (1) ZA833087B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4787831A (en) * 1983-09-20 1988-11-29 Air Products And Chemicals, Inc. Dual seal system for roots blower
DE3344953A1 (en) * 1983-12-13 1985-06-20 Leybold-Heraeus GmbH, 5000 Köln TWO-SHAFT VACUUM PUMP WITH GEARBOX EVACUATION
DE3540959A1 (en) * 1984-12-22 1986-07-03 Leybold-Heraeus GmbH, 5000 Köln OIL DELIVERY DEVICE FOR VACUUM PUMPS
DE3574274D1 (en) * 1985-04-24 1989-12-21 Leybold Ag Multistage vacuum pump
DE102014101113A1 (en) * 2014-01-30 2015-07-30 Pfeiffer Vacuum Gmbh vacuum pump
CN106930945B (en) * 2015-12-29 2021-03-02 罗伯特·博世有限公司 Pressure booster

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB217575A (en) * 1923-06-11 1924-10-16 Sulzer Ag Improvements in or relating to rotary compressors
DE471012C (en) * 1925-06-06 1929-03-19 Der Maschinenfabriken Escher A Device for sealing machines with rotating shafts, in particular intended for conveying gases and steams
DE684266C (en) * 1937-01-01 1939-11-24 Bosch Gmbh Robert Control device for the charging fan of an internal combustion engine
US2178425A (en) * 1937-02-18 1939-10-31 Gen Electric Refrigerating machine
US2620124A (en) * 1946-12-26 1952-12-02 Gen Motors Corp Compressor apparatus
US2679412A (en) * 1950-03-24 1954-05-25 Read Standard Corp Seal
US2677944A (en) * 1950-12-01 1954-05-11 Alonzo W Ruff Plural stage refrigeration apparatus
GB734893A (en) * 1953-05-28 1955-08-10 Harry Skeet Broom Improvements in or relating to rotary air compressors
US3292847A (en) * 1964-11-03 1966-12-20 Dresser Ind Lubricant sealing means for rotary positive displacement pump
US3556697A (en) * 1969-04-10 1971-01-19 Ingersoll Rand Co Sealing arrangement for vacuum pump
DE1939717B2 (en) * 1969-08-05 1978-03-23 Leybold-Heraeus Gmbh & Co Kg, 5000 Koeln Meshing gear type air blower - has bearing lubrication permitting alternative mounting for horizontal or vertical air flow
GB1378543A (en) * 1971-07-08 1974-12-27 Borg Warner Rotary compressor of sliding vane type
GB1552385A (en) * 1975-05-13 1979-09-12 Maekawa Seisakusho Kk Device for compressing or expanding a gas or for pumping a liquid
DE3007267A1 (en) * 1980-02-27 1981-09-03 Leybold Heraeus Gmbh & Co Kg Helical rotor type vacuum pump - has packed type seals on rotor shafts with liquid cooling

Also Published As

Publication number Publication date
DE3216990A1 (en) 1983-11-10
IT1212953B (en) 1989-12-07
ES271911Y (en) 1985-02-16
WO1983004075A1 (en) 1983-11-24
NO834827L (en) 1983-12-27
IT8309417A0 (en) 1983-05-06
DK3984D0 (en) 1984-01-05
DK153174C (en) 1988-12-12
JPS59500825A (en) 1984-05-10
ES271911U (en) 1984-08-01
ZA833087B (en) 1984-01-25
EP0107691B1 (en) 1987-08-26
DK3984A (en) 1984-01-05
EP0107691A1 (en) 1984-05-09
AU1516583A (en) 1983-12-02
DK153174B (en) 1988-06-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: STERLING FLUID SYSTEMS (GERMANY) GMBH, 25524 ITZEH

8339 Ceased/non-payment of the annual fee