Fluid sampling valve

Details Fluid sampling valve Fluid sampling valve

1984-03-29

1985-10-29

Spitzer, Robert

Measuring and testing

Sampler, sample handling, etc.

Withdrawing through conduit or receptacle wall

7386386, 210235, G01N 110

Patent

active

045494401

ABSTRACT:
The invention pertains to a valve particularly suitable for sampling internal combustion engine lubricating oil while under pressure being used within the engine and consists of a valve body placed within a pressurized oil conduit. The body includes an orifice having a valve movable between open and closed positions by a sample collecting receptacle wherein one hand operation is readily achieved. The valve includes a proboscis suitable for piercing the sample receptacle diaphragm, and a spring produces a positive biasing force on the valve toward the closed position. A pressure balancing piston connected to the valve balances the force necessary for valve operation due to internal pressure. A removable cover protects the valve and proboscis when not in use.

REFERENCES:
patent: 2544244 (1951-03-01), Vokes
patent: 2630919 (1953-03-01), Tyler
patent: 2786355 (1957-03-01), Day et al.
patent: 2932400 (1960-04-01), Scavuzzo
patent: 3198016 (1965-08-01), Poorman
patent: 3638499 (1972-02-01), Saint-Andre
patent: 3715032 (1973-02-01), Nicko
patent: 3852196 (1974-12-01), Szpur
patent: 4289027 (1981-09-01), Gleaves et al.
patent: 4484482 (1984-11-01), Fournier et al.

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