DE2858339C2 - - Google Patents

Info

Publication number
DE2858339C2
DE2858339C2 DE19782858339 DE2858339A DE2858339C2 DE 2858339 C2 DE2858339 C2 DE 2858339C2 DE 19782858339 DE19782858339 DE 19782858339 DE 2858339 A DE2858339 A DE 2858339A DE 2858339 C2 DE2858339 C2 DE 2858339C2
Authority
DE
Germany
Prior art keywords
bearing
valve
pump
bush
closure element
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
DE19782858339
Other languages
German (de)
English (en)
Inventor
Heinz 5000 Koeln De Frings
Karl-Heinz 5352 Zuelpich De Ronthaler
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.)
Balzers und Leybold Deutschland Holding AG
Original Assignee
Leybold 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 Leybold AG filed Critical Leybold AG
Priority to DE19782858339 priority Critical patent/DE2858339C2/de
Priority claimed from DE19782844019 external-priority patent/DE2844019A1/de
Application granted granted Critical
Publication of DE2858339C2 publication Critical patent/DE2858339C2/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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C28/26—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
    • 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
    • F04C18/086—Carter

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Reciprocating Pumps (AREA)
  • Compressor (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
DE19782858339 1978-10-09 1978-10-09 Expired - Lifetime DE2858339C2 (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19782858339 DE2858339C2 (enExample) 1978-10-09 1978-10-09

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782858339 DE2858339C2 (enExample) 1978-10-09 1978-10-09
DE19782844019 DE2844019A1 (de) 1978-10-09 1978-10-09 Vakuumpumpe, insbesondere waelzkolben-vakuumpumpe

Publications (1)

Publication Number Publication Date
DE2858339C2 true DE2858339C2 (enExample) 1990-09-27

Family

ID=25776049

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782858339 Expired - Lifetime DE2858339C2 (enExample) 1978-10-09 1978-10-09

Country Status (1)

Country Link
DE (1) DE2858339C2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4421955A1 (de) * 1994-06-23 1996-01-04 Leybold Ag Ventil

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543319A1 (de) * 1975-09-29 1977-04-07 Pfeiffer Vakuumtechnik Schwingungsgedaempftes gewichtsbelastetes ueberdruckventil

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2543319A1 (de) * 1975-09-29 1977-04-07 Pfeiffer Vakuumtechnik Schwingungsgedaempftes gewichtsbelastetes ueberdruckventil

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Prospekt der Fa. BALZERS AG: "Komponenten für die Vakuumtechnik", Ausgabe 1977, S.C8 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4421955A1 (de) * 1994-06-23 1996-01-04 Leybold Ag Ventil

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D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee