GB144746A - Improvements in or relating to systems for driving machinery - Google Patents

Improvements in or relating to systems for driving machinery

Info

Publication number
GB144746A
GB144746A GB119519A GB119519A GB144746A GB 144746 A GB144746 A GB 144746A GB 119519 A GB119519 A GB 119519A GB 119519 A GB119519 A GB 119519A GB 144746 A GB144746 A GB 144746A
Authority
GB
United Kingdom
Prior art keywords
prime mover
motor
pump
electric motor
controlled
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
GB119519A
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.)
Vickers Ltd
Original Assignee
Vickers 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 Vickers Ltd filed Critical Vickers Ltd
Priority to GB119519A priority Critical patent/GB144746A/en
Publication of GB144746A publication Critical patent/GB144746A/en
Expired legal-status Critical Current

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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
    • F16H61/448—Control circuits for tandem pumps or motors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

144,746. Vickers, Ltd., Mackness, C. F., and Broughton, H. H. Jan. 16, 1919. Elastic resistance or storage devices.- In systems for driving machinery subject to fluctuating loads, such as winding- drums D, a prime mover such as an electric motor M or a Diesel engine, has coupled to it a pump A which is adapted to charge an hydraulic accumulator F when the load on the prime mover is less than a predetermined amount, and which acts as a motor when the load exceeds this predetermined amount. The prime mover may drive the drums D through a variablespeed gear A<1>, B<1> preferably of the Williams-Janney type, controlled by the means described in Specification 144,742, [Class 69 (ii), Hydraulic presses &c.]. The pump A mav be controlled manually by a governor driven by an electric motor supplied from a shuntwound generator coupled to the prime mover or by an hydraulic ram actuated by the pressure in the gear A', B'. When an electric motor is used as the prime mover, the pump A may be controlled by a solenoid or by a torque motor J supplied with current from the secondary of a transformer T, the primary windings of which are in series with the leads L supplying the motor M. Specification 143,588, [Class 69 (ii), Hydraulicpresses &c.], also is referred to.
GB119519A 1919-01-16 1919-01-16 Improvements in or relating to systems for driving machinery Expired GB144746A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB119519A GB144746A (en) 1919-01-16 1919-01-16 Improvements in or relating to systems for driving machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB119519A GB144746A (en) 1919-01-16 1919-01-16 Improvements in or relating to systems for driving machinery

Publications (1)

Publication Number Publication Date
GB144746A true GB144746A (en) 1920-06-16

Family

ID=9717813

Family Applications (1)

Application Number Title Priority Date Filing Date
GB119519A Expired GB144746A (en) 1919-01-16 1919-01-16 Improvements in or relating to systems for driving machinery

Country Status (1)

Country Link
GB (1) GB144746A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009065556A1 (en) * 2007-11-20 2009-05-28 Robert Bosch Gmbh Hydrostatic drive and method for operating a vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009065556A1 (en) * 2007-11-20 2009-05-28 Robert Bosch Gmbh Hydrostatic drive and method for operating a vehicle

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