GB158831A - Improvements in or relating to rotary pumps or motors - Google Patents

Improvements in or relating to rotary pumps or motors

Info

Publication number
GB158831A
GB158831A GB3602/21A GB360221A GB158831A GB 158831 A GB158831 A GB 158831A GB 3602/21 A GB3602/21 A GB 3602/21A GB 360221 A GB360221 A GB 360221A GB 158831 A GB158831 A GB 158831A
Authority
GB
United Kingdom
Prior art keywords
motors
relating
rotary pumps
pumps
rotary
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
GB3602/21A
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.)
Irwin & Jones Ltd
Original Assignee
Irwin & Jones 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 Irwin & Jones Ltd filed Critical Irwin & Jones Ltd
Publication of GB158831A publication Critical patent/GB158831A/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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
GB3602/21A 1920-02-03 1921-01-29 Improvements in or relating to rotary pumps or motors Expired GB158831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR158831X 1920-02-03

Publications (1)

Publication Number Publication Date
GB158831A true GB158831A (en) 1921-07-21

Family

ID=8876414

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3602/21A Expired GB158831A (en) 1920-02-03 1921-01-29 Improvements in or relating to rotary pumps or motors

Country Status (1)

Country Link
GB (1) GB158831A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459092A1 (en) * 1990-05-29 1991-12-04 Leybold Aktiengesellschaft Two stage vacuum pump and method for its construction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0459092A1 (en) * 1990-05-29 1991-12-04 Leybold Aktiengesellschaft Two stage vacuum pump and method for its construction

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