Fluid handling – Convertible – Units interchangeable between alternate locations
Patent
1987-02-10
1988-10-04
Nilson, Robert G.
Fluid handling
Convertible
Units interchangeable between alternate locations
137595, 13762543, 13762546, 251368, F16K 11072
Patent
active
047749776
ABSTRACT:
A multiport valve with union plumbing connections utilizing a disc diverter of diameter larger than the valve's flow port diameter permanently housed in a spherical two piece welded housing that yields a nonserviceable but easily replaced multiport valve with low resistance. With removable plugs having surfaces shaped to correspond with the interior of the valve, the valve configuration can be changed from four ports to three or two ports at any time. Two external valve coupling flanges located normal to the ports together with clamps and a drop through actuator shaft allow multiple valve operation by a common shaft. An offset indexing spline located in the disc diverter's actuator shaft hole together with an ivertable valve body design allow relative positioning of valve diverters to be either parallel or perpendicular in multiple valves/common shaft configurations. The combination of this valve's features facilitates welding valve housing halves together to provide a versatile multiport valve system with easily replaced components.
REFERENCES:
patent: 2351613 (1942-07-01), Hopkins
patent: 2796082 (1957-06-01), Green et al.
patent: 2834368 (1958-05-01), Gray
patent: 3078070 (1960-01-01), Cooper
patent: 3166098 (1965-01-01), Jennings
patent: 3194270 (1965-07-01), Viessmann
patent: 3228653 (1966-01-01), Trimmer
patent: 4580603 (1986-04-01), Schoen
patent: 4655252 (1987-04-01), Krumhansl
Nilson Robert G.
Performance Pool Products, Limited
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