FR1502570A - Perfectionnements relatifs aux systèmes fluidiques - Google Patents

Perfectionnements relatifs aux systèmes fluidiques

Info

Publication number
FR1502570A
FR1502570A FR85852A FR85852A FR1502570A FR 1502570 A FR1502570 A FR 1502570A FR 85852 A FR85852 A FR 85852A FR 85852 A FR85852 A FR 85852A FR 1502570 A FR1502570 A FR 1502570A
Authority
FR
France
Prior art keywords
fluidic systems
fluidic
systems
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
FR85852A
Other languages
English (en)
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.)
Bell Aerospace Corp
Original Assignee
Bell Aerospace Corp
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 Bell Aerospace Corp filed Critical Bell Aerospace Corp
Application granted granted Critical
Publication of FR1502570A publication Critical patent/FR1502570A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B18/00—Parallel arrangements of independent servomotor systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/004—Fluid pressure supply failure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2514—Self-proportioning flow systems
    • Y10T137/2521—Flow comparison or differential response
    • Y10T137/2524—Flow dividers [e.g., reversely acting controls]
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2514—Self-proportioning flow systems
    • Y10T137/2531—Flow displacement element actuates electrical controller
    • 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
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2703—Flow rate responsive
    • Y10T137/2705—Pressure differential
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86718—Dividing into parallel flow paths with recombining
    • Y10T137/86759—Reciprocating
    • Y10T137/86767—Spool

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
FR85852A 1965-12-01 1966-12-01 Perfectionnements relatifs aux systèmes fluidiques Expired FR1502570A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US510866A US3406702A (en) 1965-12-01 1965-12-01 Apparatus for comparing hydraeric pressure signals and detecting disparity therebetween

Publications (1)

Publication Number Publication Date
FR1502570A true FR1502570A (fr) 1967-11-18

Family

ID=24032522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR85852A Expired FR1502570A (fr) 1965-12-01 1966-12-01 Perfectionnements relatifs aux systèmes fluidiques

Country Status (3)

Country Link
US (1) US3406702A (fr)
FR (1) FR1502570A (fr)
GB (1) GB1133939A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3570516A (en) * 1969-03-07 1971-03-16 Bell Aerospace Corp Latching comparator
US3650286A (en) * 1970-05-13 1972-03-21 Us Federal Aviation Admin Hydraulic selector valve
US3882900A (en) * 1973-06-04 1975-05-13 Horace A Williams Pressure sensing and responding device
US4232699A (en) * 1979-01-12 1980-11-11 Textron Inc. Hydro-mechanical failure detection and latching apparatus
US7455074B2 (en) * 2005-07-28 2008-11-25 Honeywell International Inc. Latchable electrohydraulic servovalve

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751933A (en) * 1952-06-24 1956-06-26 Urteaga Jaime Multiple servo selector
GB918144A (en) * 1959-07-28 1963-02-13 Short Brothers & Harland Ltd Improvements in electro-hydraulic control servo-mechanisms
US3190185A (en) * 1961-07-11 1965-06-22 Honeywell Inc Servomotor with monitor
US3150568A (en) * 1963-10-01 1964-09-29 Caterpillar Tractor Co Hydraulic circuit with lockout valve in common return line
US3338138A (en) * 1965-12-01 1967-08-29 Bell Aerospace Corp Redundant control system

Also Published As

Publication number Publication date
US3406702A (en) 1968-10-22
GB1133939A (en) 1968-11-20

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