Valve timing controlling apparatus for internal- combustion engine
专利汇可以提供Valve timing controlling apparatus for internal- combustion engine专利检索，专利查询，专利分析的服务。并且PURPOSE:To increase the durability of an apparatus for controlling the valve timing by the rotation of a step motor, by decreasing the speed of a moving member when the valve timing is varied toward its critical position, and thereby moderating the shock caused when the moving member collides onto stoppers. CONSTITUTION:An inner sleeve 36 on the side of a cam shaft 18 and an outer sleeve 38 on the side of a timing pulley 28 are respectively formed with slits 40, 42, and the valve timing is controlled by moving roller bearings 44, 46 in the slits 40, 42 by a step motor 50. Signals relating to the pressure in an intake pipe, the water temperature, the engine speed, etc. are applied to a control circuit, which controls the valve timing to render the actually measured value equal to an aimed value stored in its memory. When a moving member carrying the roller bearings is moving toward the right and left limit positions, the speed of the moving member is decreased by decreasing the pulse feeding speed so as to moderate the shock caused when the moving member collides onto stoppers.，下面是Valve timing controlling apparatus for internal- combustion engine专利的具体信息内容。
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