IT946761B - SERVO PUMP WITH CHOKED INLET - Google Patents

SERVO PUMP WITH CHOKED INLET

Info

Publication number
IT946761B
IT946761B IT19613/72A IT1961372A IT946761B IT 946761 B IT946761 B IT 946761B IT 19613/72 A IT19613/72 A IT 19613/72A IT 1961372 A IT1961372 A IT 1961372A IT 946761 B IT946761 B IT 946761B
Authority
IT
Italy
Prior art keywords
servo pump
choked
inlet
choked inlet
servo
Prior art date
Application number
IT19613/72A
Other languages
Italian (it)
Original Assignee
Textron Inc
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 Textron Inc filed Critical Textron Inc
Application granted granted Critical
Publication of IT946761B publication Critical patent/IT946761B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/14—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B1/18—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having self-acting distribution members, i.e. actuated by working fluid
    • 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/09—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor with electrical control means
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S60/00—Power plants
    • Y10S60/911—Fluid motor system incorporating electrical system
IT19613/72A 1971-06-16 1972-01-20 SERVO PUMP WITH CHOKED INLET IT946761B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15372171A 1971-06-16 1971-06-16

Publications (1)

Publication Number Publication Date
IT946761B true IT946761B (en) 1973-05-21

Family

ID=22548449

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19613/72A IT946761B (en) 1971-06-16 1972-01-20 SERVO PUMP WITH CHOKED INLET

Country Status (4)

Country Link
US (1) US3772889A (en)
DE (1) DE2203212A1 (en)
FR (1) FR2142330A5 (en)
IT (1) IT946761B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952516A (en) * 1975-05-07 1976-04-27 Lapp Ellsworth W Hydraulic pressure amplifier
US4075930A (en) * 1976-04-28 1978-02-28 The Garrett Corporation Pneumatic actuator system and method
US4363211A (en) * 1980-02-01 1982-12-14 The Boeing Company Quasi-open loop hydraulic ram incremental actuator with power conserving properties
US4630441A (en) * 1984-09-04 1986-12-23 The Boeing Company Electrohydraulic actuator for aircraft control surfaces
US4590764A (en) * 1985-01-22 1986-05-27 Escobosa Alfonso S All-digital electrically powered servo
US5117633A (en) * 1990-07-10 1992-06-02 Allied-Signal Inc. Pneumohydraulic actuator
US6079957A (en) * 1998-11-17 2000-06-27 Spx Corporation Soft start valve
US6460510B1 (en) * 2000-05-30 2002-10-08 Robert H. Breeden Pump assembly and method
US6622706B2 (en) 2000-05-30 2003-09-23 Robert H. Breeden Pump, pump components and method
US6427663B1 (en) 2000-12-08 2002-08-06 Robert H. Breeden Inlet throttle pump assembly for diesel engine and method
US6755625B2 (en) 2002-10-07 2004-06-29 Robert H. Breeden Inlet throttle valve
US7096772B2 (en) * 2004-08-30 2006-08-29 Caterpillar S.A.R.L. System and method for controlling hydraulic fluid flow
US7051526B2 (en) * 2004-10-01 2006-05-30 Moog Inc. Closed-system electrohydraulic actuator
EP3284956B1 (en) * 2016-08-16 2019-07-24 Hamilton Sundstrand Corporation Servovalve

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2137448A (en) * 1934-08-03 1938-11-22 Hydraulic Press Corp Inc Hydraulic pump for machine tool drives
US2255589A (en) * 1939-02-20 1941-09-09 Pump Engineering Service Corp Constant speed hydraulic system
US2597050A (en) * 1942-06-25 1952-05-20 Olaer Marine Hydraulic transmission for reproducing mechanical motions at remote points
US2584820A (en) * 1947-05-01 1952-02-05 Raymond J Steinhoff Double-acting hydraulic jack
US2590716A (en) * 1947-08-26 1952-03-25 Fairey Aviat Co Ltd Power-operated flying control system for aircraft
US2627815A (en) * 1948-01-02 1953-02-10 Ferguson Harry Inc Constant pressure hydraulic power transmitting system
US3282283A (en) * 1963-12-23 1966-11-01 Gocko Regulator Co Ltd Hydraulic regulating system and apparatus
US3270623A (en) * 1964-04-13 1966-09-06 Moog Inc Fluid powered servomechanism of a redundant, monitor type
US3270508A (en) * 1965-03-17 1966-09-06 Crane Co Electro-hydraulic servo power control system
US3411297A (en) * 1967-03-20 1968-11-19 Sundstrand Corp Hydrostatic transmission
US3505814A (en) * 1967-11-01 1970-04-14 Bell Aerospace Corp Valve operator system

Also Published As

Publication number Publication date
DE2203212A1 (en) 1972-12-21
FR2142330A5 (en) 1973-01-26
US3772889A (en) 1973-11-20

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