GB490521A - Improvements in or relating to pressure fed lubricating systems - Google Patents

Improvements in or relating to pressure fed lubricating systems

Info

Publication number
GB490521A
GB490521A GB92637A GB92637A GB490521A GB 490521 A GB490521 A GB 490521A GB 92637 A GB92637 A GB 92637A GB 92637 A GB92637 A GB 92637A GB 490521 A GB490521 A GB 490521A
Authority
GB
United Kingdom
Prior art keywords
pressure
diaphragm
suction
switch
oil
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
GB92637A
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.)
CYRIL LLEWELLYN REES
DAVID WILLETT FLEETWOOD DALLIN
GEORGE ROBERT WINCHESTER LUSH
Original Assignee
CYRIL LLEWELLYN REES
DAVID WILLETT FLEETWOOD DALLIN
GEORGE ROBERT WINCHESTER LUSH
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 CYRIL LLEWELLYN REES, DAVID WILLETT FLEETWOOD DALLIN, GEORGE ROBERT WINCHESTER LUSH filed Critical CYRIL LLEWELLYN REES
Priority to GB92637A priority Critical patent/GB490521A/en
Publication of GB490521A publication Critical patent/GB490521A/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
    • F16N—LUBRICATING
    • F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • F16N29/04—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems enabling a warning to be given; enabling moving parts to be stopped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/18—Indicating or safety devices
    • F01M1/20—Indicating or safety devices concerning lubricant pressure
    • F01M1/22—Indicating or safety devices concerning lubricant pressure rendering machines or engines inoperative or idling on pressure failure
    • F01M1/26—Indicating or safety devices concerning lubricant pressure rendering machines or engines inoperative or idling on pressure failure acting on engine ignition system

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

490,521. Force - feed lubrication. PAUL, D. W. F. D., REES, C. L., and LUSH, G. R. W. Jan. 12, 1937, No. 926. [Class 12 (iii)] [Also in Groups XXXVII and XXVII] A switch operative on fall of lubrication pressure for breaking the ignition circuit of an internal-combustion engine or giving an alarm, is actuated by a device in which the lubrication pressure is opposed by a variable counterpressure sensitive to engine speed or suction. The switch comprises three chambers A, B and C bolted together of which C contains a diaphragm 8 carrying a headed plunger 14, 15 which is raised against the pressure of spring 7 by oil pressure from the lubricating system transmitted through pipe 11 to the underside of diaphragm 8. With oil pressure of sufficient magnitude, a contact 6 bridges contacts 1 and 2 to close the switch. Acting on a plate 22 against this movement is the difference between atmospheric pressure acting above a diaphragm 18 in chamber A and the reduced pressure below diaphragm 18 equal to the carburetter suction pressure. Needle valves 26 and 29a control outlet 25 to the atmosphere and connection 29 to the source of suction respectively. At starting the suction is small and the oil pressure required to close the switch is low, but as the speed increases, the pressure of oil required to close the switch increases. Modifications are described wherein a force proportional to engine speed acting against the oil pressure may be obtained with the suction effect replaced by oil pumped to the upperside of diaphragm 18 by an engine driven pump, a spring finger screwed down by a governor operated lever, or by a bimetallic strip heated by current from an engine driven dynamo. A further modification includes contacts closed to give a visual or audible warning before the ignition circuit is opened. Specification 485,944 is referred to.
GB92637A 1937-01-12 1937-01-12 Improvements in or relating to pressure fed lubricating systems Expired GB490521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB92637A GB490521A (en) 1937-01-12 1937-01-12 Improvements in or relating to pressure fed lubricating systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB92637A GB490521A (en) 1937-01-12 1937-01-12 Improvements in or relating to pressure fed lubricating systems

Publications (1)

Publication Number Publication Date
GB490521A true GB490521A (en) 1938-08-12

Family

ID=9712942

Family Applications (1)

Application Number Title Priority Date Filing Date
GB92637A Expired GB490521A (en) 1937-01-12 1937-01-12 Improvements in or relating to pressure fed lubricating systems

Country Status (1)

Country Link
GB (1) GB490521A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563834A (en) * 1945-05-28 1951-08-14 Woodward Governor Co Safety control for prime movers
CN104948258A (en) * 2015-07-10 2015-09-30 隆鑫通用动力股份有限公司 Engine oil pressure protector based on single chip microcomputer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563834A (en) * 1945-05-28 1951-08-14 Woodward Governor Co Safety control for prime movers
CN104948258A (en) * 2015-07-10 2015-09-30 隆鑫通用动力股份有限公司 Engine oil pressure protector based on single chip microcomputer
CN104948258B (en) * 2015-07-10 2018-07-13 隆鑫通用动力股份有限公司 SCM Based engine oil pressure protector

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