GB1192203A - Improvements in or relating to Fluid Operated Devices. - Google Patents

Improvements in or relating to Fluid Operated Devices.

Info

Publication number
GB1192203A
GB1192203A GB08613/67A GB1861367A GB1192203A GB 1192203 A GB1192203 A GB 1192203A GB 08613/67 A GB08613/67 A GB 08613/67A GB 1861367 A GB1861367 A GB 1861367A GB 1192203 A GB1192203 A GB 1192203A
Authority
GB
United Kingdom
Prior art keywords
passage
passages
fluid
outlet
control
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
GB08613/67A
Inventor
Brian John Steptoe
Sidney Ties
William Cecil Morton
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.)
Fujitsu Services Ltd
Original Assignee
Fujitsu Services Ltd
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 Fujitsu Services Ltd filed Critical Fujitsu Services Ltd
Priority to GB08613/67A priority Critical patent/GB1192203A/en
Priority to US719904A priority patent/US3592210A/en
Publication of GB1192203A publication Critical patent/GB1192203A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15C—FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES
    • F15C1/00—Circuit elements having no moving parts
    • F15C1/08—Boundary-layer devices, e.g. wall-attachment amplifiers coanda effect
    • 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
    • Y10T137/206—Flow affected by fluid contact, energy field or coanda effect [e.g., pure fluid device or system]
    • Y10T137/2267—Device including passages having V over gamma configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

1,192,203. Fluidic switching devices. INTERNATIONAL COMPUTERS Ltd. 16 April, 1968 [22 April, 1967], No. 18613/67. Heading G4P. A fluid monostable switching device with an inlet passage 2, outlet passages 6, 7 and control passage 13 meeting in a chamber 5 is characterized in that one planar surface of the chamber has an interruption which may be in the form of a depression 16, which depression may comprise a step (21) deepening in the downstream direction (Fig. 5, not shown), or a projection (20) (Figs. 3, 6, not shown), the purpose of which is to substantially reduce the hysteresis effect so that the pressure at which a reducing control pressure signal allows switching back of an input power stream to its preferred outlet passage 6 is substantially the same as that required to cause switching to the outlet 7 in the first place. In a modification (Fig. 3, not shown), an additional control passage (18) is provided downstream of the passage 13. The fluid passages are recessed in a suitable material and covered with a face plate 15, there being appropriate channels through the material for connecting the input and control passages to fluid sources.
GB08613/67A 1967-04-22 1967-04-22 Improvements in or relating to Fluid Operated Devices. Expired GB1192203A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08613/67A GB1192203A (en) 1967-04-22 1967-04-22 Improvements in or relating to Fluid Operated Devices.
US719904A US3592210A (en) 1967-04-22 1968-04-09 Fluid-operated devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08613/67A GB1192203A (en) 1967-04-22 1967-04-22 Improvements in or relating to Fluid Operated Devices.

Publications (1)

Publication Number Publication Date
GB1192203A true GB1192203A (en) 1970-05-20

Family

ID=10115458

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08613/67A Expired GB1192203A (en) 1967-04-22 1967-04-22 Improvements in or relating to Fluid Operated Devices.

Country Status (2)

Country Link
US (1) US3592210A (en)
GB (1) GB1192203A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8314054D0 (en) * 1983-05-20 1983-06-29 Atomic Energy Authority Uk Fluidic devices

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL298047A (en) * 1962-09-26 1900-01-01
US3240219A (en) * 1962-11-26 1966-03-15 Bowles Eng Corp Fluid logic components
US3279488A (en) * 1963-06-07 1966-10-18 Bowles Eng Corp Analog amplifier cross vent
US3272214A (en) * 1963-10-02 1966-09-13 Raymond W Warren Self-matching fluid elements
US3244189A (en) * 1963-10-04 1966-04-05 Feedback Systems Inc Fluid valve device
US3294103A (en) * 1964-01-09 1966-12-27 Bowles Eng Corp Flow splitter for reducing dominant edge tone frequencies in fluid systems
US3366131A (en) * 1965-06-24 1968-01-30 Army Usa Fluid logic element
US3444879A (en) * 1967-06-09 1969-05-20 Corning Glass Works Fluid pulsed oscillator

Also Published As

Publication number Publication date
US3592210A (en) 1971-07-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees