Title:
【発明の名称】気体燃料を使用するエンジンの改良
Document Type and Number:
Japanese Patent JPH01500920
Kind Code:
A
Abstract:
PCT No. PCT/AU87/00143 Sec. 371 Date Jan. 19, 1988 Sec. 102(e) Date Jan. 19, 1988 PCT Filed May 21, 1987 PCT Pub. No. WO87/07323 PCT Pub. Date Dec. 3, 1987.An internal combustion engine designed to use gas as fuel. Exhaust valve (2) operation is effected via: (i) a push rod of two parts, the respective ends of which are pivoted to an intermediate connector sliding in a bore in the cylinder head and (ii) two rocker arms (11 and 16). Fulcrum point (18) of rocker (16) may be adjusted to reduce exhaust valve lift during part throttle operation or alternatively exhaust braking during overrun conditions may be achieved by cracking open valve (2) on the compression stroke: this is effected by inward movement of wedge (21) or by a cam raising the end of rocker (16). Modifications of exhaust manifold, rocker shaft mounting, etc are also described.
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Inventors:
Bennett, John Robert McCree
Application Number:
JP50670787A
Publication Date:
March 30, 1989
Filing Date:
May 21, 1987
Export Citation:
Assignee:
Bennett, Automotive, Technology, Proprietary, Limited
International Classes:
F01N13/08; F01L1/14; F01L1/18; F01L1/26; F01L3/10; F01L13/00; F01L13/06; F02B43/00; F02D13/02; F02D19/06; F02B1/04; F02B3/06; F02F1/24; F02F1/42; F02F7/00; (IPC1-7): F01L1/14; F01L1/18; F01L13/00; F01N7/08; F02D13/02; F02D19/06
Attorney, Agent or Firm:
Kazuo Sato (2 outside)