Bridges – Suspension – Compound system
Patent
1978-01-18
1980-01-15
Scherbel, David A.
Bridges
Suspension
Compound system
137 98, 222 1, 222 59, 222145, B65B 304
Patent
active
041833848
ABSTRACT:
A safety apparatus for use in fluid blending and dispensing devices wherein it is essential to insure that one of the fluids to be blended be maintained below a defined maximum concentration. The apparatus comprises a single valve located in the inlet line of the fluid to be controlled, which is operable upon detection of an increase in the flow rate of the fluid to be controlled or by a decrease in the flow rate of any of the other fluids with which it is being blended.
REFERENCES:
patent: 1573079 (1926-02-01), McKee
patent: 2255787 (1941-09-01), Kendrick
patent: 2583986 (1952-01-01), Bahnson, Jr.
patent: 3123252 (1964-03-01), Kuntz
patent: 3225962 (1965-12-01), Loebeck
patent: 3298383 (1967-01-01), Cooper
Ervin Eugene D.
Kitson Frederick K.
Krasiewich David M.
McWhorter Thomas E.
Air Products and Chemicals Inc.
Innis E. Eugene
Moyerman H. Barry
Ryder Thomas G.
Scherbel David A.
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