Fluid handling – Systems – With flow control means for branched passages
Patent
1990-11-20
1992-04-28
Fox, John C.
Fluid handling
Systems
With flow control means for branched passages
433 28, F16K 2700
Patent
active
051078996
ABSTRACT:
This is a dental air and water supply apparatus for selectively and automatically controlling the supply of drive air and/or air and water coolants to any one dental drill or dental handpiece in a dental tool system. The dental apparatus includes a plurality of separately replaceable modular pneumatic circuit blocks and connecting manifolds that are fed by a master block and distribution manifold. The modular pneumatic circuit blocks are modular and separate from the distribution manifold and thereby provides easy repair of the apparatus.
REFERENCES:
patent: 3638310 (1972-02-01), Austin, Jr.
patent: 4188976 (1980-02-01), Austin, Jr.
patent: 4332555 (1982-06-01), Richardson
patent: 4676750 (1987-06-01), Mason
patent: 4806099 (1989-02-01), Peralta
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