Valves and valve actuation – With selective flow regulation
Patent
1991-07-24
1992-04-28
Chambers, A. Michael
Valves and valve actuation
With selective flow regulation
251206, 251367, 1376253, 13762533, F16K 1712
Patent
active
051080745
ABSTRACT:
It comprises a metering valve (11) mounted inside a body (12) provided with an inlet (13) and an outlet (14). The inlet for material (13) is formed in a block (15) housed in a cavity of the body (12) and fixed to the latter by screws (16). The body (12) is provided with a cylindrical cavity (18) obturated by a lateral cover (19) fixed to the body (12) by screws (20). The cavity (18) contains a pusher composed of a first part (21) associated with driving means (22) and of a second part (23) associated with a return spring (24). The valve comprises a slide valve (33) comprising an upper surface (34), a plane lower surface (35) and a traversing conduit (36) formed between the upper surface (34) and the lower surface (35). This slide valve (33) is displaced in a sliding manner on a plate (37) provided with two traversing ducts (38) which communicate with the outlet (14) for the metered material.
REFERENCES:
patent: 2601231 (1952-06-01), Smith et al.
patent: 3955591 (1976-05-01), Baumann
patent: 4030518 (1977-06-01), Wilcox
patent: 4150693 (1979-04-01), Genevey et al.
patent: 4643226 (1987-02-01), Balz
Chambers A. Michael
Cynova S.A.
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