ZA721658B - Pneumatic logic valve - Google Patents

Pneumatic logic valve

Info

Publication number
ZA721658B
ZA721658B ZA721658A ZA721658A ZA721658B ZA 721658 B ZA721658 B ZA 721658B ZA 721658 A ZA721658 A ZA 721658A ZA 721658 A ZA721658 A ZA 721658A ZA 721658 B ZA721658 B ZA 721658B
Authority
ZA
South Africa
Prior art keywords
logic valve
pneumatic logic
pneumatic
valve
logic
Prior art date
Application number
ZA721658A
Inventor
D Brown
Original Assignee
Westinghouse Air Brake Co
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 Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co
Publication of ZA721658B publication Critical patent/ZA721658B/en

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
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
    • F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
    • F16K7/17—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7783—Valve closes in responses to reverse flow
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7784—Responsive to change in rate of fluid flow
    • Y10T137/7787—Expansible chamber subject to differential pressures
    • Y10T137/7788—Pressures across fixed choke
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7784—Responsive to change in rate of fluid flow
    • Y10T137/7787—Expansible chamber subject to differential pressures
    • Y10T137/7791—Pressures across flow line valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Driven Valves (AREA)
ZA721658A 1971-06-24 1972-03-10 Pneumatic logic valve ZA721658B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15639971A 1971-06-24 1971-06-24

Publications (1)

Publication Number Publication Date
ZA721658B true ZA721658B (en) 1972-12-27

Family

ID=22559409

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA721658A ZA721658B (en) 1971-06-24 1972-03-10 Pneumatic logic valve

Country Status (4)

Country Link
US (1) US3773073A (en)
BR (1) BR7203892D0 (en)
CA (1) CA954758A (en)
ZA (1) ZA721658B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL179705C (en) * 1976-03-31 1986-11-03 Leer Koninklijke Emballage DEVICE IN PARTICULAR FOR THE INTRAVENOUS DELIVERY OF LIQUIDS.
US4911740A (en) * 1988-08-02 1990-03-27 Schieder Hans B Pressure responsive valve in a temperature changing device
DE69415549T2 (en) * 1993-10-04 1999-08-19 Res International MICROMACHINE LIQUID FLOW REGULATOR

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US842279A (en) * 1905-10-18 1907-01-29 Thomas H Walker Automatically-closing valve.
US1854467A (en) * 1926-06-08 1932-04-19 Fourness Dev Corp Ltd Automatic check valve
US1768305A (en) * 1928-07-05 1930-06-24 Grady Tingle J Water cut-off
US1838343A (en) * 1928-10-25 1931-12-29 American Can Co Air pressure reducer valve
US3390696A (en) * 1965-11-18 1968-07-02 Dawson Joseph Carl Control devices

Also Published As

Publication number Publication date
BR7203892D0 (en) 1973-05-15
CA954758A (en) 1974-09-17
US3773073A (en) 1973-11-20

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