GB491952A - Improvements in and relating to suction or vacuum pumps - Google Patents

Improvements in and relating to suction or vacuum pumps

Info

Publication number
GB491952A
GB491952A GB33968/36A GB3396836A GB491952A GB 491952 A GB491952 A GB 491952A GB 33968/36 A GB33968/36 A GB 33968/36A GB 3396836 A GB3396836 A GB 3396836A GB 491952 A GB491952 A GB 491952A
Authority
GB
United Kingdom
Prior art keywords
discs
relating
suction
valves
vacuum pumps
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
GB33968/36A
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.)
Trico Products Corp
Original Assignee
Trico Products Corp
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 Trico Products Corp filed Critical Trico Products Corp
Priority to GB33968/36A priority Critical patent/GB491952A/en
Publication of GB491952A publication Critical patent/GB491952A/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
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms

Abstract

491,952. Valves. TRICO-FOLBERTH, Ltd. (Trico Products Corporation) Dec. 10, 1936, No. 33968. [Class 135] [Also in Group XXVIII] Valves for a high-speed air pump comprises thin resilient annular members 16 loosely guided at their centres and backed by discs 19 of felt or other springy fibre. The valve passages 14 and 15 are arranged on one side of the discs only so that the discs flex transversely in their opening movement. Specification 492,029, [Group XXVIII], is referred to.
GB33968/36A 1936-12-10 1936-12-10 Improvements in and relating to suction or vacuum pumps Expired GB491952A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB33968/36A GB491952A (en) 1936-12-10 1936-12-10 Improvements in and relating to suction or vacuum pumps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33968/36A GB491952A (en) 1936-12-10 1936-12-10 Improvements in and relating to suction or vacuum pumps

Publications (1)

Publication Number Publication Date
GB491952A true GB491952A (en) 1938-09-12

Family

ID=10359698

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33968/36A Expired GB491952A (en) 1936-12-10 1936-12-10 Improvements in and relating to suction or vacuum pumps

Country Status (1)

Country Link
GB (1) GB491952A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286932A (en) * 1978-02-14 1981-09-01 Nippondenso Co., Ltd. Diaphragm pump
EP0057735A1 (en) * 1981-02-05 1982-08-18 SIKO GmbH Dr. Ing. G. Wandres Diaphragm compressor and method for its assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286932A (en) * 1978-02-14 1981-09-01 Nippondenso Co., Ltd. Diaphragm pump
EP0057735A1 (en) * 1981-02-05 1982-08-18 SIKO GmbH Dr. Ing. G. Wandres Diaphragm compressor and method for its assembly

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