GB752133A - Fluid pumping system and regulating means therefor - Google Patents

Fluid pumping system and regulating means therefor

Info

Publication number
GB752133A
GB752133A GB12180/54A GB1218054A GB752133A GB 752133 A GB752133 A GB 752133A GB 12180/54 A GB12180/54 A GB 12180/54A GB 1218054 A GB1218054 A GB 1218054A GB 752133 A GB752133 A GB 752133A
Authority
GB
United Kingdom
Prior art keywords
pump
fluid
sleeve
temperature
casing
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
GB12180/54A
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.)
Bendix Aviation Corp
Original Assignee
Bendix Aviation 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 Bendix Aviation Corp filed Critical Bendix Aviation Corp
Publication of GB752133A publication Critical patent/GB752133A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/185—Control of temperature with auxiliary non-electric power
    • G05D23/1852—Control of temperature with auxiliary non-electric power with sensing element expanding and contracting in response to change of temperature
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/10—Other safety measures
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/10—Other safety measures
    • F04B49/106—Responsive to pumped volume
    • 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
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/20—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by changing the driving speed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Temperature-Responsive Valves (AREA)
  • Flow Control (AREA)

Abstract

752,133. Fluid-pressure servomotor-control systems; valves. BENDIX AVIATION CORPORATION. April 27, 1954 [May 7, 1953], No. 12180/54. Class 135. A fluid pumping system including a regulating device for maintaining the pump output constant irrespective of the fluid temperature comprises temperature-responsive orifice means interposed between the inlet and the outlet of the device to vary the flow in accordance with temperature changes of the fluid and means responsive to the pressure drop across the orifice means operatively connected to an element controlling the pump. As shown, the regulating device 40, Figs. 1, 2, comprises a casing 48 having an inlet 38, an outlet 46 and connections 42, 44 to opposite sides of a pressure-responsive diaphragm 26 made from material having a low coefficient of expansion, e.g. that known under the Registered Trade Mark " Invar," and a threaded sleeve 76 and an adjusting screw 84 made of a material having a high coefficient of expansion, e.g. aluminium alloy. The orifice means comprises an annulus 98 formed between a knife-edge 72 on the sleeve 76 and a conical surface 54 of the casing and a port 74 in the sleeve which coacts with the conical tip 86 of the screw 84. A casing groove 82 coacts with the lug 80 on the sleeve 76 to permit adjustment between the sleeve and the screw 84. The diaphragm 26 is connected by an adjustable rod 20 and a lever 18 to a valve 16 in the supply line 12 to a turbine 10 driving the pump 34. If, after the adjustment of the pump output in accordance with the temperature by means of the screw 84 and the rod 20, the temperature of the pump fluid should change, e.g. increase, the pump will unload, and its delivery increase. At the same time, the parts 76, 84 will expand relatively to the casing 48, restricting flow to the annulus 98 and the port 74 to produce a pressure differential across the diaphragm 26 which adjusts the valve 16 to decrease the supply of operating fluid to the turbine. The turbine speed and that of the pump then decreases to adjust the pump output to its previous vaule.
GB12180/54A 1953-05-07 1954-04-27 Fluid pumping system and regulating means therefor Expired GB752133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US752133XA 1953-05-07 1953-05-07

Publications (1)

Publication Number Publication Date
GB752133A true GB752133A (en) 1956-07-04

Family

ID=22124279

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12180/54A Expired GB752133A (en) 1953-05-07 1954-04-27 Fluid pumping system and regulating means therefor

Country Status (1)

Country Link
GB (1) GB752133A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094457A1 (en) * 1982-05-14 1983-11-23 The Drum Engineering Company Limited Safety arrangement for a vacuum pump
CN103671047A (en) * 2013-12-13 2014-03-26 新界泵业集团股份有限公司 Electric pump with controller and control method of electric pump
CN105697393A (en) * 2016-04-12 2016-06-22 江门麦加道机电厂有限公司 Self-adapting booster pump for low water pressure increase of high-rise building

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094457A1 (en) * 1982-05-14 1983-11-23 The Drum Engineering Company Limited Safety arrangement for a vacuum pump
CN103671047A (en) * 2013-12-13 2014-03-26 新界泵业集团股份有限公司 Electric pump with controller and control method of electric pump
CN103671047B (en) * 2013-12-13 2016-04-13 新界泵业集团股份有限公司 A kind of electric pump of tape controller and controlling method thereof
CN105697393A (en) * 2016-04-12 2016-06-22 江门麦加道机电厂有限公司 Self-adapting booster pump for low water pressure increase of high-rise building

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