GB887970A - Improvements in and relating to internal combusion engine valve actuator mechanisms - Google Patents

Improvements in and relating to internal combusion engine valve actuator mechanisms

Info

Publication number
GB887970A
GB887970A GB39320/60A GB3932060A GB887970A GB 887970 A GB887970 A GB 887970A GB 39320/60 A GB39320/60 A GB 39320/60A GB 3932060 A GB3932060 A GB 3932060A GB 887970 A GB887970 A GB 887970A
Authority
GB
United Kingdom
Prior art keywords
passages
rocker arm
bridge
lubricant
lubricate
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
GB39320/60A
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation 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 Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of GB887970A publication Critical patent/GB887970A/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
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/34—Lateral camshaft position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
    • F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • F02F2001/244—Arrangement of valve stems in cylinder heads
    • F02F2001/247—Arrangement of valve stems in cylinder heads the valve stems being orientated in parallel with the cylinder axis

Abstract

887,970. Valve gears; lubricating. GENERAL MOTORS CORPORATION. Nov. 16, 1960 [Nov. 23, 1959], No. 39320/60. Classes 7(2) and 7(6). A rocker arm 30, Fig. 1, pivotally mounted intermediate its ends and actuated at one end from the engine, e.g. via a cam-shaft, has at its other end, a bridge member 32 pivotally connected intermediate its ends and having at each end a pallet portion 38 engaged with a poppet valve stem 18. The bridge 32 may be stamped and formed from steel plate and then heat treated and hardened. A rocker arm 36 Fig. 2, can be formed, e.g. by brazing or riveting, from stampings 36<SP>1</SP> and 36<SP>11</SP> having openings 33<SP>1</SP>, 39<SP>1</SP> and 43<SP>1</SP> in which are pressfitted bushes 33, 39 and 43. Engine lubricant is supplied via passages 28, 41 to a radial passage 41<SP>1</SP> in a hollow shaft 41 which carries the bush 39. During pivotal movement of the rocker 36, registration of the passages 39<SP>11</SP> and 41<SP>1</SP> allows lubricant to flow along passages 37<SP>1</SP> and 37<SP>11</SP> to the radial ports 33<SP>11</SP> and 43<SP>11</SP> to lubricate hollow pivot pins 35 and 45 which are secured in the aligned openings by riveting over the pivot pin ends. At the pivotal connection 34, lubricant drains downwardly on to the pallets 38 and therefrom to lubricate the engaged surfaces of the pallets 38 and the valve stems 18. In a modification a rocker arm 136, Fig. 4, is fabricated from a single sheet metal stamping which is folded to each side of a centre line, and has a limit stop arm 147 and a limit stop boss 149 which prevent excessive pivotal movement of the bridge 32.
GB39320/60A 1959-11-23 1960-11-16 Improvements in and relating to internal combusion engine valve actuator mechanisms Expired GB887970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US887970XA 1959-11-23 1959-11-23

Publications (1)

Publication Number Publication Date
GB887970A true GB887970A (en) 1962-01-24

Family

ID=22213530

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39320/60A Expired GB887970A (en) 1959-11-23 1960-11-16 Improvements in and relating to internal combusion engine valve actuator mechanisms

Country Status (1)

Country Link
GB (1) GB887970A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136048A (en) * 1983-03-08 1984-09-12 Ford Motor Co I.C. engine valve train
ITUA20163586A1 (en) * 2016-04-29 2017-10-29 Gnutti Carlo Spa Valve drive system in endothermic engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2136048A (en) * 1983-03-08 1984-09-12 Ford Motor Co I.C. engine valve train
ITUA20163586A1 (en) * 2016-04-29 2017-10-29 Gnutti Carlo Spa Valve drive system in endothermic engine

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