ZA723725B - Improvements in completely dry and fluid-tight vacuum pumps - Google Patents

Improvements in completely dry and fluid-tight vacuum pumps

Info

Publication number
ZA723725B
ZA723725B ZA723725A ZA723725A ZA723725B ZA 723725 B ZA723725 B ZA 723725B ZA 723725 A ZA723725 A ZA 723725A ZA 723725 A ZA723725 A ZA 723725A ZA 723725 B ZA723725 B ZA 723725B
Authority
ZA
South Africa
Prior art keywords
fluid
vacuum pumps
completely dry
tight vacuum
tight
Prior art date
Application number
ZA723725A
Other languages
English (en)
Inventor
P Vulliez
Original Assignee
P Vulliez
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 P Vulliez filed Critical P Vulliez
Publication of ZA723725B publication Critical patent/ZA723725B/xx

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
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids 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
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids 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 both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids 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 both members having co-operating elements in spiral form where only one member is moving
    • 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
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/025—Lubrication; Lubricant separation using a lubricant pump
    • 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
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
ZA723725A 1971-06-01 1972-05-30 Improvements in completely dry and fluid-tight vacuum pumps ZA723725B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717119699A FR2141402B1 (de) 1971-06-01 1971-06-01

Publications (1)

Publication Number Publication Date
ZA723725B true ZA723725B (en) 1973-03-28

Family

ID=9077887

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA723725A ZA723725B (en) 1971-06-01 1972-05-30 Improvements in completely dry and fluid-tight vacuum pumps

Country Status (2)

Country Link
FR (1) FR2141402B1 (de)
ZA (1) ZA723725B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986799A (en) * 1975-11-03 1976-10-19 Arthur D. Little, Inc. Fluid-cooled, scroll-type, positive fluid displacement apparatus
FR2567970B1 (fr) * 1984-07-23 1989-04-28 Normetex Pompe a vide integralement seche et etanche a mouvement rectiligne de compression alternative
FR2764346B1 (fr) * 1997-06-05 1999-07-30 Alsthom Cge Alcatel Machine a deplacement de fluide du type scroll
FR2764347B1 (fr) * 1997-06-05 1999-07-30 Alsthom Cge Alcatel Machine du type scroll
CN109386463A (zh) * 2018-12-06 2019-02-26 珠海格力节能环保制冷技术研究中心有限公司 压缩机

Also Published As

Publication number Publication date
FR2141402B1 (de) 1973-06-29
FR2141402A1 (de) 1973-01-26

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