CAM PROVIDED WITH DLC AND CAM SHAFT

Japanese Patent JP3776750

B2

PROBLEM TO BE SOLVED: To reduce a sliding wear between a cam used for a power transmission base controlling the opening/closing for a fuel valve of an engine and the follower or tappet.
SOLUTION: In a metallic cam used for a transmission base for transmitting a driving power by the rotary motion of the cam to a reciprocating motion member, a diamond-like carbon membrane, an intermediate layer composed of (a) a silicide or silicious carbide chiefly made of at least one kind selected from the fifth A group metal (V, Nb, Ta), the six A group metal (Cr, Mo, W), Ti, and Zr, (b) a metallic film chiefly made of at least one kind selected from the fifth A group metal (V, Nb, Ta), and of a Si film formed thereon, or a metallic film chiefly made of Si, or (c) at least a kind of metallic film selected from the fifth A group metal (V, Nb, Ta), the six A group metal (Cr, Mo, W), Ti, or Zr, and silicon carbide film formed thereon, and the diamond-like carbon membrane are formed in this order.

JPH07158414	CAMSHAFT
JPH02102302	CAMSHAFT AND ITS MANUFACTURE
JP2010168950	VARIABLE VALVE TIMING DEVICE

Masatoshi Nakayama
Masakazu Odaka
Yoshino Yoshiko
Hashimoto Yasushi
Yasuhiro Matsuba
Izumi Miyauchi

JP2001166427A

May 17, 2006

June 01, 2001

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tdk Corporation

F01L1/04; F16H53/02; C23C14/06; C23C16/27; C23C30/00; (IPC1-7): F16H53/02; C23C14/06; C23C16/27; C23C30/00; F01L1/04

JP9125916A
JP5010417A
JP2000178738A
JP2000178736A
JP2000177046A
JP1192935A
JP7330490A

Motohiro Kurauchi

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