FR1087912A - Improvements to screen valves used in low pressure pipelines for gaseous fluids - Google Patents

Improvements to screen valves used in low pressure pipelines for gaseous fluids

Info

Publication number
FR1087912A
FR1087912A FR1087912DA FR1087912A FR 1087912 A FR1087912 A FR 1087912A FR 1087912D A FR1087912D A FR 1087912DA FR 1087912 A FR1087912 A FR 1087912A
Authority
FR
France
Prior art keywords
low pressure
valves used
gaseous fluids
pressure pipelines
screen valves
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
Other languages
French (fr)
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.)
Compagnie Generale de Radiologie SA
Original Assignee
Compagnie Generale de Radiologie SA
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 Compagnie Generale de Radiologie SA filed Critical Compagnie Generale de Radiologie SA
Application granted granted Critical
Publication of FR1087912A publication Critical patent/FR1087912A/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
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F9/00—Diffusion pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/52—Mechanical actuating means with crank, eccentric, or cam
    • F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
    • F16K31/52408—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve
FR1087912D 1953-08-10 1953-08-10 Improvements to screen valves used in low pressure pipelines for gaseous fluids Expired FR1087912A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1087912T 1953-08-10

Publications (1)

Publication Number Publication Date
FR1087912A true FR1087912A (en) 1955-03-01

Family

ID=9613587

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1087912D Expired FR1087912A (en) 1953-08-10 1953-08-10 Improvements to screen valves used in low pressure pipelines for gaseous fluids

Country Status (1)

Country Link
FR (1) FR1087912A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4640492A (en) * 1985-01-23 1987-02-03 General Signal Corporation Involute valve closure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4640492A (en) * 1985-01-23 1987-02-03 General Signal Corporation Involute valve closure

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