Hydraulic lifter train clearance control systems, elements and p

Details Hydraulic lifter train clearance control systems, elements and p Hydraulic lifter train clearance control systems, elements and p

1982-06-02

1984-08-21

Myracle, Jerry W.

Measuring and testing

Simulating operating condition

Marine

123 9057, G01M 1500

Patent

active

044662807

ABSTRACT:
The functions of the hydraulic valve lifters here discussed are to automatically compensate for dimensional changes that occur in mechanisms such as valve trains found in internal combustion engines. The lifters accomplish this by locking a noncompressible fluid (oil) in a chamber to cause the push rod assembly to become solid enough to overcome the valve spring and the other included forces and to open the valve. This invention also provides that an engine may be tested at the location in which it is operated and a lifter mechanism provided with a helical orifice having an appropriate length on a plug assembly.

REFERENCES:
patent: 2071051 (1937-02-01), Van Ranst
patent: 4361120 (1982-11-01), Kueny

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