US3327936A - Pump - Google Patents

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Publication number
US3327936A
US3327936A US521178A US52117866A US3327936A US 3327936 A US3327936 A US 3327936A US 521178 A US521178 A US 521178A US 52117866 A US52117866 A US 52117866A US 3327936 A US3327936 A US 3327936A
Authority
US
United States
Prior art keywords
pump
oil
separating
gas
vapor
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
US521178A
Other languages
English (en)
Inventor
Rollinger Willy
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.)
Leybold Holding AG
Original Assignee
Leybold Holding 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 Holding AG filed Critical Leybold Holding AG
Application granted granted Critical
Publication of US3327936A publication Critical patent/US3327936A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors

Definitions

  • a cooling device 9 schematically shown as -cooling coils is provided Ion the exterior of the pump housing Iand adjacent to the largest oil covered surface of the reservoir 8 for cooling the reservoir 8 and 'also the passageway 16 so as to cool the Ioil on its way to the reservoir.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
US521178A 1965-08-27 1966-01-17 Pump Expired - Lifetime US3327936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL0051490 1965-08-27

Publications (1)

Publication Number Publication Date
US3327936A true US3327936A (en) 1967-06-27

Family

ID=7274088

Family Applications (1)

Application Number Title Priority Date Filing Date
US521178A Expired - Lifetime US3327936A (en) 1965-08-27 1966-01-17 Pump

Country Status (2)

Country Link
US (1) US3327936A (de)
CH (1) CH437613A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113410A (en) * 1974-08-06 1978-09-12 Otsuka Nutrition Research Institute Inc. Liquid-sealed type vacuum pump
US5053122A (en) * 1990-09-13 1991-10-01 Micron Technology, Inc. Oil filtration and exhaust apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2929550A (en) * 1955-03-04 1960-03-22 N G N Electrical Ltd Rotary pumps and valves therefor
US2951633A (en) * 1955-07-14 1960-09-06 Wagner Electric Corp System and method of lubricating air compressors and the like

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2929550A (en) * 1955-03-04 1960-03-22 N G N Electrical Ltd Rotary pumps and valves therefor
US2951633A (en) * 1955-07-14 1960-09-06 Wagner Electric Corp System and method of lubricating air compressors and the like

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113410A (en) * 1974-08-06 1978-09-12 Otsuka Nutrition Research Institute Inc. Liquid-sealed type vacuum pump
US5053122A (en) * 1990-09-13 1991-10-01 Micron Technology, Inc. Oil filtration and exhaust apparatus

Also Published As

Publication number Publication date
CH437613A (de) 1967-06-15

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