GB190008408A - Improvements in Air or Gas Exhausting Pumps. - Google Patents

Improvements in Air or Gas Exhausting Pumps.

Info

Publication number
GB190008408A
GB190008408A GB190008408DA GB190008408A GB 190008408 A GB190008408 A GB 190008408A GB 190008408D A GB190008408D A GB 190008408DA GB 190008408 A GB190008408 A GB 190008408A
Authority
GB
United Kingdom
Prior art keywords
air
gas exhausting
exhausting
piston
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
Inventor
Michel Toupikof
Charles Knott Graham
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB190008408A publication Critical patent/GB190008408A/en
Expired legal-status Critical Current

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  • Reciprocating Pumps (AREA)
  • Compressor (AREA)

Abstract

8408. Toupikof, M., and Graham, C. K. May 7. Exhausting.-To avoid clearance in an exhausting- pump, the base of the cylinder f is conical and fits the piston b, which is immersed in oil or other liquid at the end of the down-stroke. A suction valve with a flexible face g occupies the apex of the cone, and its spindle is kept airtight by an india-rubber sleeve k. The delivery valve c is contained in the piston with inclined passages e eading down to it.
GB190008408D 1900-05-07 1900-05-07 Improvements in Air or Gas Exhausting Pumps. Expired GB190008408A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190008408T 1900-05-07

Publications (1)

Publication Number Publication Date
GB190008408A true GB190008408A (en) 1901-08-07

Family

ID=32148427

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190008408D Expired GB190008408A (en) 1900-05-07 1900-05-07 Improvements in Air or Gas Exhausting Pumps.

Country Status (1)

Country Link
GB (1) GB190008408A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5358389A (en) * 1992-09-10 1994-10-25 Electrolux Research & Innovation Aktiebolag Two-stage compression vacuum pump having valved piston and power limiting valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5358389A (en) * 1992-09-10 1994-10-25 Electrolux Research & Innovation Aktiebolag Two-stage compression vacuum pump having valved piston and power limiting valve

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