ES344364A1 - Fluid system for independent operation of two fluid motors - Google Patents

Fluid system for independent operation of two fluid motors

Info

Publication number
ES344364A1
ES344364A1 ES344364A ES344364A ES344364A1 ES 344364 A1 ES344364 A1 ES 344364A1 ES 344364 A ES344364 A ES 344364A ES 344364 A ES344364 A ES 344364A ES 344364 A1 ES344364 A1 ES 344364A1
Authority
ES
Spain
Prior art keywords
motor
valve
line
flow
pump
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
ES344364A
Other languages
Spanish (es)
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.)
Jaeger Machine Co
Original Assignee
Jaeger Machine 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 Jaeger Machine Co filed Critical Jaeger Machine Co
Publication of ES344364A1 publication Critical patent/ES344364A1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • B28C5/42—Apparatus specially adapted for being mounted on vehicles with provision for mixing during transport
    • B28C5/4203—Details; Accessories
    • B28C5/4206—Control apparatus; Drive systems, e.g. coupled to the vehicle drive-system
    • B28C5/421—Drives
    • B28C5/4213—Hydraulic drives
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • 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
    • F16H—GEARING
    • F16H39/00—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution
    • F16H39/02—Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution with liquid motors at a distance from liquid pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fluid Mechanics (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Fluid Gearings (AREA)
  • Centrifugal Separators (AREA)

Abstract

In an hydraulic transmission in which an engine-driven variable-displacement pump 16 supplies pressure fluid to two independently controlled fixed-displacement motors 11, 14, driving, for example, the mixer drum D and a centrifugal pump 10 supplying water thereto, respectively, on a mobile cement mixer, the displacement of the pump being controlled by a piston 17 spring-biased to a maximum flow position and operated by a fluid pressure differential sensed across a manually adjustable restrictor 30 in the return line of the motor 11, a further manual forward/reverse and by-pass valve 29 controlling the motor 11, the control 35 for the motor 14 includes a sequence valve 36 which normally allows flow to line 31 but is responsive to fluid flow requirements of motor 14 to restrict or prevent flow to the motor 11 when the combined flow through motors 11 and 14 exceeds the output of the pump 16. With motor 11 operating, if a valve 40 is opened to initiate operation of motor 14, the valve 36 tends to close causing the motor 11 to slow down or stop until the pump output is increased sufficiently to bring the motor 14 up to its operating speed, when the valve 36 again opens. As shown, the control 35 for the motor 14 also includes a manually operated, shut-off valve 40, e.g. of the needle valve type, which effects the selective operation of the motor 14, a flow control valve 39 being preset to limit the maximum speed of the motor 14, e.g. to limit fluid flow through the motor to a maximum of seven gallons/minute. Again, Fig. 2 (not shown), the shut-off valve 40 is replaced by a second sequence valve (43) and an electric solenoid-operated, shut-off valve (44) included in the control line (46) of the valve (43), which line also communicates with the motor 14 return line (20a). The line (46) is also connected to the input port of the sequence valve (43) through a restrictor (47) so that, with the shut-off valve (44) closed, pressure builds up in line (46) to close valve (43) and prevent operation of motor 14 and, on opening valve (44), control pressure (46) falls allowing valve (43) to open and motor 14 to operate.
ES344364A 1966-08-24 1967-08-23 Fluid system for independent operation of two fluid motors Expired ES344364A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US574789A US3391537A (en) 1966-08-24 1966-08-24 Fluid system for independent operation of two fluid motors

Publications (1)

Publication Number Publication Date
ES344364A1 true ES344364A1 (en) 1968-10-01

Family

ID=24297646

Family Applications (1)

Application Number Title Priority Date Filing Date
ES344364A Expired ES344364A1 (en) 1966-08-24 1967-08-23 Fluid system for independent operation of two fluid motors

Country Status (6)

Country Link
US (1) US3391537A (en)
BE (1) BE702370A (en)
DE (1) DE1650734B1 (en)
ES (1) ES344364A1 (en)
GB (1) GB1163046A (en)
LU (1) LU54278A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3979907A (en) * 1973-09-10 1976-09-14 Parker-Hannifin Corporation Priority control valve
US3942413A (en) * 1974-08-01 1976-03-09 Borg-Warner Corporation Load limiting system
US3979908A (en) * 1975-09-29 1976-09-14 The Cessna Aircraft Company Priority flow valve
PL110835B1 (en) * 1977-08-27 1980-08-30 Typowych Elementow Hydrauliki Hydrostatic drive control system
ATE26234T1 (en) * 1983-09-15 1987-04-15 Zahnradfabrik Friedrichshafen HYDROSTATIC-MECHANICAL TRANSMISSION ARRANGEMENT.
DE102010047314B4 (en) * 2010-10-01 2014-10-30 Shanghai Electric Hydraulics & Pneumatics Co., Ltd. Hybrid drive for truck mixer drum
JP5952599B2 (en) * 2011-03-24 2016-07-13 Ｋｙｂ株式会社 Mixer drum drive device
JP5825719B2 (en) * 2012-03-22 2015-12-02 Ｋｙｂ株式会社 Mixer drum drive device
JP5923415B2 (en) * 2012-09-11 2016-05-24 Ｋｙｂ株式会社 Mixer drum drive unit
CN105298955A (en) * 2015-11-13 2016-02-03 湖南三一路面机械有限公司 Stirring and washing system and concrete machine
CN110593354B (en) * 2019-09-03 2024-04-19 大庆石油管理局有限公司 Automatic liquid supply and distribution system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2102865A (en) * 1934-06-20 1937-12-21 Vickers Inc Combined flow control and relief valve
US2354634A (en) * 1942-02-04 1944-07-25 Dow Chemical Co Mixing apparatus
DE1153585B (en) * 1958-10-04 1963-08-29 Thompson Grinder Company Device for regulating hydraulic drives, especially for grinding machines, by radial displacement of a ring surrounding the rotor of the pump
GB983256A (en) * 1962-03-08 1965-02-17 Council Scient Ind Res Improvements in hydraulic transmission systems
US3152445A (en) * 1963-04-12 1964-10-13 New York Air Brake Co Hydrostatic transmission
US3157996A (en) * 1962-07-18 1964-11-24 Budzich Tadeusz Hydrostatic transmission
US3248869A (en) * 1964-12-31 1966-05-03 Holley Carburetor Co Means for supplying power on demand

Also Published As

Publication number Publication date
US3391537A (en) 1968-07-09
GB1163046A (en) 1969-09-04
LU54278A1 (en) 1967-10-09
DE1650734B1 (en) 1972-02-03
BE702370A (en) 1968-01-15

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