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GB1437285A - Internal combustion engine - Google Patents

Internal combustion engine

Info

Publication number
GB1437285A
GB1437285A GB1858874A GB1858874A GB1437285A GB 1437285 A GB1437285 A GB 1437285A GB 1858874 A GB1858874 A GB 1858874A GB 1858874 A GB1858874 A GB 1858874A GB 1437285 A GB1437285 A GB 1437285A
Authority
GB
United Kingdom
Prior art keywords
rocker arm
oil
outlet
fulcrum member
reservoir
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
GB1858874A
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.)
Ford Motor Co Ltd
Ford Motor Co
Original Assignee
Ford Motor Co Ltd
Ford Motor 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 Ford Motor Co Ltd, Ford Motor Co filed Critical Ford Motor Co Ltd
Publication of GB1437285A publication Critical patent/GB1437285A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
    • F01M9/10—Lubrication of valve gear or auxiliaries
    • F01M9/106—Oil reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-pivot rocking arms
    • 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
    • F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
    • F01M9/10—Lubrication of valve gear or auxiliaries
    • F01M9/101—Lubrication of valve gear or auxiliaries of cam surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

1437285 Cam followers FORD MOTOR CO Ltd 29 April 1974 [15 May 1973] 18588/74 Heading F2K [Also in Division F1] An I.C. engine comprises a poppet valve having a stem reciprocably mounted in the cylinder head, a fulcrum member mounted to the cylinder head, a rocker arm connected at one end to the fulcrum member and engageable at the other end with the poppet valve, and a cam-shaft engageable with the rocker arm between the two ends, oil passing from an outlet in the fulcrum member to an inlet in the rocker arm and thence via a passage in the rocker arm to an outlet adjacent the cam-shaft. Oil under pressure passes via a duct 35, Fig. 1, to a fulcrum member, e.g. which may be a threaded stud, or as shown, an hydraulic lash adjuster, and thence via an outlet 33 in the spherical end 31 of the fulcrum member and an inlet 49 in the socket 39 of the rocker arm 37 to a passage 53 within the rocker arm. The passage 53 terminates in an enlarged portion forming a reservoir 55, from which the oil is discharged through an outlet 51 immediately beneath the engaged portion of the cam surface 45. A check valve may be provided to prevent oil from siphoning back from the rocker arm to the fulcrum member when the engine is stationary. The inlet 49 is sufficiently high in relation to the reservoir 55 to ensure that the latter retains a substantial quantity of oil when the engine is stationary. When the engine is re-started, oil in the reservoir 55 is immediately splashed or vibrated through the outlet 51 to provide immediate lubrication of the engaging surfaces of the cam and rocker arm before the oil begins to be pumped. The rocker arm 37 is a casting with a plug 57 to close the reservoir 55. The rocker arm may instead be formed from a pair of channelsection stampings 61, 63, Figs. 3 and 4, welded together, the space between the stamping defining a passage 79 which connects the inlet 62 to the outlet 77 and acts also as a reservoir.
GB1858874A 1973-05-15 1974-04-29 Internal combustion engine Expired GB1437285A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00360489A US3855981A (en) 1973-05-15 1973-05-15 Rocker arm

Publications (1)

Publication Number Publication Date
GB1437285A true GB1437285A (en) 1976-05-26

Family

ID=23418179

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1858874A Expired GB1437285A (en) 1973-05-15 1974-04-29 Internal combustion engine

Country Status (6)

Country Link
US (1) US3855981A (en)
JP (1) JPS5619451B2 (en)
BR (1) BR7403664D0 (en)
CA (1) CA993747A (en)
DE (1) DE2419219A1 (en)
GB (1) GB1437285A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179700A (en) * 1985-08-29 1987-03-11 Nissan Motor Rocker arm arrangement for multi-valve internal combustion engine
US5588413A (en) * 1995-03-14 1996-12-31 Caterpillar Inc. Engine assembly with leaf spring cam follower

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098240A (en) * 1975-02-18 1978-07-04 Eaton Corporation Valve gear and lash adjustment means for same
US4245523A (en) * 1975-10-02 1981-01-20 Toledo Stamping & Manufacturing Company Rocker arm
JPS53123310U (en) * 1977-03-09 1978-09-30
DE2939705C2 (en) * 1979-09-29 1982-11-11 Adam Opel AG, 6090 Rüsselsheim Arrangement for lubricating the contact surfaces between cams and valve control levers in internal combustion engines
US4430783A (en) * 1980-03-27 1984-02-14 Toledo Stamping & Manufacturing Company Method of making a rocker arm
US4624223A (en) * 1980-03-27 1986-11-25 Toledo Stamping & Manufacturing Company Rocker arm and method of making same
JPS5784309U (en) 1980-11-14 1982-05-25
JPS5818858U (en) * 1981-07-30 1983-02-05 豊田工機株式会社 steering lock device
US4589383A (en) * 1983-06-09 1986-05-20 Automotive Engine Associates Squeeze film rocker tip
US4592314A (en) * 1985-04-18 1986-06-03 Yamaha Hatsudoki Kabushiki Kaisha Valve actuating mechanism for internal combustion engine
DE3743854A1 (en) * 1987-12-23 1989-07-06 Michael Stirm Four-valve control with upper supporting elements
US5038726A (en) * 1990-08-30 1991-08-13 Henley Manufacturing Holding Company, Inc. Rocker arm with integral ball pivot socket
JPH04330310A (en) * 1991-01-31 1992-11-18 Suzuki Motor Corp Lubrication of valve system for engine
DE19624413A1 (en) * 1996-06-19 1998-01-02 Schaeffler Waelzlager Kg Tip or drag lever lubrication method
PT845582E (en) * 1996-11-29 2000-07-31 Volkswagen Ag VALVE CONTROLLER FOR AN INTERNAL COMBUSTION ENGINE EQUIPPED WITH LIFTING VALVES FOR BRUSH SPEED ALTERATION
US5979383A (en) * 1999-04-23 1999-11-09 General Motors Corporation Rocker arm assembly lubrication
US7191745B2 (en) 2002-10-18 2007-03-20 Maclean-Fogg Company Valve operating assembly
US6871622B2 (en) 2002-10-18 2005-03-29 Maclean-Fogg Company Leakdown plunger
US7128034B2 (en) 2002-10-18 2006-10-31 Maclean-Fogg Company Valve lifter body
US7028654B2 (en) 2002-10-18 2006-04-18 The Maclean-Fogg Company Metering socket
US7273026B2 (en) 2002-10-18 2007-09-25 Maclean-Fogg Company Roller follower body
DE10330882A1 (en) * 2003-07-09 2005-01-27 Ina-Schaeffler Kg Method for producing an outer lever of a switchable rocker arm
DE102004060433A1 (en) * 2004-12-14 2006-07-06 Daimlerchrysler Ag Cam follower for actuating a gas exchange valve of an internal combustion engine
DE102010019532A1 (en) * 2010-05-06 2011-11-10 Schaeffler Technologies Gmbh & Co. Kg rocker arm
KR20140066971A (en) * 2011-10-04 2014-06-03 니탄 밸브 가부시키가이샤 Rocker arm for valve train
DE102013221256A1 (en) * 2013-10-21 2015-04-23 Schaeffler Technologies Gmbh & Co. Kg Lever-like cam follower
CN104481622A (en) * 2014-11-20 2015-04-01 绵阳富临精工机械股份有限公司 Roller-free valve rocker and machining method thereof

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2000635A (en) * 1931-12-14 1935-05-07 Packard Motor Car Co Internal combustion engine
US2209479A (en) * 1938-06-07 1940-07-30 Spencer Aircraft Motors Inc Valve actuating mechanism
US2322172A (en) * 1941-09-17 1943-06-15 Spencer Aircraft Motors Inc Valve actuating mechanism
US2322174A (en) * 1941-09-17 1943-06-15 Spencer Aircraft Motors Inc Valve actuating mechanism
US2322173A (en) * 1941-12-24 1943-06-15 Spencer Aircraft Motors Inc Valve actuating mechanism
US2385309A (en) * 1944-09-18 1945-09-18 Spencer Aircraft Motors Inc Valve actuating mechanism
US2435727A (en) * 1946-05-10 1948-02-10 Spencer Aircraft Motors Inc Valve actuating mechanism
US3153404A (en) * 1963-12-30 1964-10-20 Gen Motors Corp Hydraulic lash adjuster
US3400696A (en) * 1966-01-05 1968-09-10 Thompson Mfg Co Earl A Valve train
US3502058A (en) * 1966-02-24 1970-03-24 Earl A Thompson Rocker arm
US3314404A (en) * 1966-03-21 1967-04-18 Earl A Thompson Engine valve operating mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2179700A (en) * 1985-08-29 1987-03-11 Nissan Motor Rocker arm arrangement for multi-valve internal combustion engine
US4825822A (en) * 1985-08-29 1989-05-02 Nissan Motor Co., Ltd. Rocker arm arrangement for multi-valve internal combustion engine
GB2179700B (en) * 1985-08-29 1989-08-09 Nissan Motor Rocker arm arrangement for multi-valve internal combustion engine
US5588413A (en) * 1995-03-14 1996-12-31 Caterpillar Inc. Engine assembly with leaf spring cam follower

Also Published As

Publication number Publication date
US3855981A (en) 1974-12-24
CA993747A (en) 1976-07-27
BR7403664D0 (en) 1975-01-07
JPS5619451B2 (en) 1981-05-07
JPS5014943A (en) 1975-02-17
DE2419219A1 (en) 1974-12-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee