Top dead center measurement for reciprocating crank mechanism

Details Top dead center measurement for reciprocating crank mechanism Top dead center measurement for reciprocating crank mechanism

1984-07-03

1986-05-13

Myracle, Jerry W.

Measuring and testing

Vehicle chassis

Steering

33DIG15, G01M 1500

Patent

active

045878390

ABSTRACT:
A method or system for measuring the top dead center for a reciprocating crank mechanism, in which a reversible counter performs the additive counting operation from an amount H of shift of the piston of the reciprocating crank mechanism to another amount H of the shift of the piston in a reverse driving direction of the crankshaft of the reciprocating crank mechanism at both sides of a minimum shift of the piston, for each predetermined unit rotational angle deviation of the crankshaft. The reversible counter performs the subtractive counting operation from said another amount H of the shift of the piston in one driving direction of the crankshaft for each one half the predetermined unit rotational angle deviation of the crankshaft. A position of the piston is decided as the top dead center when the counting state of the reversible counter reached zero in said one driving direction of the crankshaft.

REFERENCES:
patent: 3820386 (1974-06-01), Grikscheit et al.
patent: 4433572 (1984-02-01), Sundeen

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