Apparatus for feeding and metering fluid components to a high pr

Details Apparatus for feeding and metering fluid components to a high pr Apparatus for feeding and metering fluid components to a high pr

1986-12-05

1989-05-23

Hornsby, Harvey C.

Agitating

Having specified feed means

Responsive to condition sensor

222 55, 222135, 366160, G05D 1102

Patent

active

048324990

ABSTRACT:
An apparatus for feeding and metering fluid components to a mixing head, in particular for metering and feeding reactive chemical components to a high pressure mixing head. The apparatus comprises at least a first and second transfer cylinder whose control unit is fed with hydraulic fluid from a single source of constant pressure, and whose component pumping unit is connected to a tank for the component, respectively to an inlet aperture for the component in a chamber of the mixing head, by means of a proportional servo valve which is controlled in relation to the rate of flow of the components so as to keep both the pressure and the flow of the components to be mixed constant.

REFERENCES:
patent: 3776252 (1973-12-01), Wilcox
patent: 3865126 (1975-02-01), Baggaley
patent: 4126399 (1978-11-01), Schneider et al.
patent: 4209258 (1980-06-01), Oakes
patent: 4279360 (1981-07-01), Hauser
patent: 4494676 (1985-01-01), Berweger

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