Constant percentage flow divider

Details Constant percentage flow divider Constant percentage flow divider

1986-09-19

1987-09-08

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Self-proportioning flow systems

13762547, G05D 1103

Patent

active

046917306

ABSTRACT:
A flow control device (12) for supplying first and second fluid distribution systems (16 and 18) with a constant percentage of fluid flowing from a single source of fluid (14). A housing (20) has a first bore (28) and a second bore (52) with a semi-cylindrical shaft (38) located in the first bore (28) to establish the relationship between fluid flow from an inlet orifice (32) and first and second outlet orifices (34 and 36). A shuttle valve (58-60) in the second bore (52) responds to the fluid flow from the first and second outlet orifices (34 and 36) and the respective back pressure to maintain the fluid flow through the first and second fluid distribution systems (16 and 18) in the same volume percentage as set by position of shaft (30) in the first bore (28). The shuttle valve (58-60) also provides a pressurizing function such that a minimum system pressure is required before any fluid flows to the first and second fluid distribution systems (16 and 18).

REFERENCES:
patent: 1183544 (1916-05-01), Dittrich
patent: 1493133 (1924-05-01), Sykora
patent: 2601849 (1952-07-01), Lee
patent: 3437103 (1969-04-01), Yoshino
patent: 3590844 (1971-07-01), Ladenzon
patent: 4231441 (1980-11-01), Burckhardt
patent: 4250909 (1981-02-01), Adams
patent: 4325400 (1982-04-01), Wynne

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