GB252191A - Balanced throttling device for controlling the delivery of fluids - Google Patents

Balanced throttling device for controlling the delivery of fluids

Info

Publication number
GB252191A
GB252191A GB12448/26A GB1244826A GB252191A GB 252191 A GB252191 A GB 252191A GB 12448/26 A GB12448/26 A GB 12448/26A GB 1244826 A GB1244826 A GB 1244826A GB 252191 A GB252191 A GB 252191A
Authority
GB
United Kingdom
Prior art keywords
beat
seat
valve
controlling
diameter
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
GB12448/26A
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.)
Rateau SA
Original Assignee
Rateau 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 Rateau SA filed Critical Rateau SA
Publication of GB252191A publication Critical patent/GB252191A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lift Valve (AREA)
  • Control Of Turbines (AREA)

Abstract

252,191. Soc. Rateau. May 16, 1925, [Convention date]. Closure members, double beat.-A double beat valve particularly applicable for controlling the supply to steam turbines has one cylindrical beat adapted to fit within its seat and has the other beat shaped so that the valve gives a progressive delivery as a function of the lift. The two beats are mounted on a common spindle g and areguided by wings u. The lower cylindrical beat c, which has a length equal to one-tenth the diameter, is formed with a peripheral groove t and has the lower edge of the beat slightly chamfered,. while the upper edge of the seat d is slightly rounded. The upper beat has a shaped part a slightly less in diameter than the seat b and a cover part m having a curved lip n adapted to seat on the sharp edge of the seat. To give the valve a bias in the closing direction at the beginning of the opening movement passages r are formed in the shaped part of the valve to admit pressure beneath a piston q housed in a hollow part of the spindle and bearing against a stop on the cover o-
GB12448/26A 1925-05-16 1926-05-14 Balanced throttling device for controlling the delivery of fluids Expired GB252191A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE252191X 1925-05-16

Publications (1)

Publication Number Publication Date
GB252191A true GB252191A (en) 1926-10-07

Family

ID=3866589

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12448/26A Expired GB252191A (en) 1925-05-16 1926-05-14 Balanced throttling device for controlling the delivery of fluids

Country Status (2)

Country Link
FR (1) FR614987A (en)
GB (1) GB252191A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385320A (en) * 1964-08-10 1968-05-28 Reavell Fahie Ltd Fluid flow control valves

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843351A (en) * 1955-01-31 1958-07-15 Hughes Aircraft Co Balanced servo valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385320A (en) * 1964-08-10 1968-05-28 Reavell Fahie Ltd Fluid flow control valves

Also Published As

Publication number Publication date
FR614987A (en) 1926-12-27

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