GB648140A - Rotary piston air pump with oil seal - Google Patents

Rotary piston air pump with oil seal

Info

Publication number
GB648140A
GB648140A GB31127/48A GB3112748A GB648140A GB 648140 A GB648140 A GB 648140A GB 31127/48 A GB31127/48 A GB 31127/48A GB 3112748 A GB3112748 A GB 3112748A GB 648140 A GB648140 A GB 648140A
Authority
GB
United Kingdom
Prior art keywords
air pump
oil seal
rotary piston
container
piston air
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
GB31127/48A
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.)
MICAFIL Ltd
Original Assignee
MICAFIL 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 MICAFIL Ltd filed Critical MICAFIL Ltd
Publication of GB648140A publication Critical patent/GB648140A/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
    • F04C27/02—Liquid sealing for high-vacuum pumps or for compressors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

648,140. Rotary pumps. MICAFIL, Ltd. Dec. 1, 1948, No. 31127. Convention date, Dec. 8, 1947. Addition to 591,076. [Class 110(ii)] A pump of the type described in the parent Specification is provided with a device that enables each suction stroke sealing oil to be taken from the lowest point of the pump container a. A pipe q may lead the oil outside the container to the pumping space p as shown, or the pipe may be inside the container. The flow is regulated by a valve r.
GB31127/48A 1947-12-08 1948-12-01 Rotary piston air pump with oil seal Expired GB648140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH648140X 1947-12-08

Publications (1)

Publication Number Publication Date
GB648140A true GB648140A (en) 1950-12-28

Family

ID=4525918

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31127/48A Expired GB648140A (en) 1947-12-08 1948-12-01 Rotary piston air pump with oil seal

Country Status (1)

Country Link
GB (1) GB648140A (en)

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