Hydraulic tappet and valve timing system
A hydraulic tappet and plunger technology, which is applied to engine components, machines/engines, mechanical equipment, etc., can solve problems such as valve opening and seating noise, and achieve the effect of preventing or reducing noise without affecting normal functions.
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[0029] Exemplary embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood that these specific descriptions are only used to teach those skilled in the art how to implement the present invention, but are not intended to exhaust all possible ways of the present invention, nor are they intended to limit the scope of the present invention.
[0030] refer to Figure 2A with Figure 2B , An embodiment of the present invention provides a hydraulic tappet 100 , which includes a housing 110 , a plunger 120 , a return spring 130 , and a one-way valve 140 . The housing 110 is substantially cylindrical with a bottom, and the axially lower portion 121 of the plunger 120 is inserted into the housing 110 from the opening of the housing 110 , so that the axially lower portion 121 of the plunger 120 and the axially lower portion of the housing 110 A high pressure chamber 150 is defined between (including the bottom) 111 . ...
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