Variable proportioner

Details Variable proportioner Variable proportioner

1984-02-02

1986-02-25

Cohan, Alan

Fluid handling

Self-proportioning or correlating systems

Self-proportioning flow systems

417403, F04B 3500

Patent

active

045722293

ABSTRACT:
An improved variable proportioner is provided which includes a spring biased lost motion connection between the motor piston and the slave pump piston thus providing for accurate adjustability of the metering proportion as well as prevention of stalling of the slave piston against the front cylinder wall. A pivotable connection of the toggle lever spring is also provided to reduce bending of the spring and to enhance its life span.

REFERENCES:
patent: 1665762 (1928-04-01), Waream
patent: 2051307 (1936-08-01), Lorraine
patent: 3114379 (1963-12-01), Cordis
patent: 3131707 (1964-05-01), Cordis
patent: 3213796 (1965-10-01), Cordis
patent: 3213873 (1965-10-01), Cordis
patent: 3291066 (1966-12-01), Cordis
patent: 3837765 (1974-09-01), Weise et al.
patent: 4391291 (1983-07-01), Hume
patent: 4392508 (1983-07-01), Switall

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