Patent ID: 8973546
Filing Date: 2015-03-10
Classification: F01L

Abstract:
1. A lash adjuster comprising: a body formed into a bottomed cylindrical shape; a plunger which is inserted into the body so as to be movable up and down and has a bottom wall formed with a valve hole and a peripheral wall standing from an outer periphery of the bottom wall and having an oil passage hole formed therethrough, so that the plunger is formed into a bottomed cylindrical shape, the plunger defining a high-pressure chamber between the bottom wall and the body; a partitioning member formed into a tubular shape and inserted into the plunger, the partitioning member having an oil passage end located above the oil passage hole in a state where the partitioning member is inserted in the plunger, the partitioning member defining an oil passage between itself and the peripheral wall of the plunger outside the partitioning member, the partitioning member having a low-pressure chamber located inside the partitioning member, the low-pressure chamber reserving a hydraulic fluid flowing thereinto through the oil passage hole, the oil passage and the oil passage end, the low-pressure chamber causing the hydraulic fluid reserved therein to flow through the valve hole into the high-pressure chamber; and a spacer interposed between the peripheral wall of the plunger and the partitioning member so that the partitioning member is held in the plunger.