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FR489600A - Differential pitch valve - Google Patents

Differential pitch valve

Info

Publication number
FR489600A
FR489600A FR489600DA FR489600A FR 489600 A FR489600 A FR 489600A FR 489600D A FR489600D A FR 489600DA FR 489600 A FR489600 A FR 489600A
Authority
FR
France
Prior art keywords
differential pitch
pitch valve
valve
differential
pitch
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)
Inventor
Louis-Leon Billant
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.)
LOUIS-LEON BILLANT
Original Assignee
LOUIS-LEON BILLANT
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 LOUIS-LEON BILLANT filed Critical LOUIS-LEON BILLANT
Application granted granted Critical
Publication of FR489600A publication Critical patent/FR489600A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F16K31/506—Mechanical actuating means with screw-spindle or internally threaded actuating means with plural sets of thread, e.g. with different pitch

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR489600D 1918-04-04 1918-04-04 Differential pitch valve Expired FR489600A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR489600T 1918-04-04

Publications (1)

Publication Number Publication Date
FR489600A true FR489600A (en) 1919-02-20

Family

ID=1525831

Family Applications (1)

Application Number Title Priority Date Filing Date
FR489600D Expired FR489600A (en) 1918-04-04 1918-04-04 Differential pitch valve

Country Status (1)

Country Link
FR (1) FR489600A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014538A1 (en) * 1989-05-18 1990-11-29 Laminar Fluid Controls, Inc. Finely-adjustable flow control valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014538A1 (en) * 1989-05-18 1990-11-29 Laminar Fluid Controls, Inc. Finely-adjustable flow control valve

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