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US 4,541,373 AGranted
Oil lash adjuster
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorYoich Ishida
Life of this patent
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Abstract
A sealed type oil rush adjuster for the valve of a 4-cycle engine, having a liquid seal formed of a diaphragm which is mounted over the outer surface of the plunger, partitioning off a reservoir chamber. The diaphragm is pressure fitted by means of a perforated retainer plate having a flange which extends downwardly beyond the lower edge of the diaphragm and is pressed directly against the plunger body.
Claims8
A sealed type of oil lash adjuster, comprising
- (a) a cylindrical plunger body having a closed bottom;
- (b) a plunger projecting from the top of said plunger body and slidable therewithin to form a high pressure chamber between said bottom of said plunger body and a bottom surface of said plunger;
- (c) said high pressure chamber being connected via a reverse check valve with a reservoir chamber;
- (d) a substantially cylindrical diaphragm with an upper edge inserted to form a liquid seal on the outer surface of said plunger, partitioning off said reservoir chamber on the inside;
- (e) A lower edge of said diaphragm being pressure seated to form a liquid seal on the outer surface of the upper part of said plunger body by means of a retainer about the exterior of said diaphragm;
- (f) a lower edge of said retainer projecting downward beyond the lower edge of said diaphragm and being directly pressed and held against said plunger body.
3 more elements
Dependencies are inferred from the claim text.