Hole pattern for valve muffler

Details Hole pattern for valve muffler Hole pattern for valve muffler

1990-01-16

1991-05-14

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

13762538, 251127, F16K 4702, F16K 4714

Patent

active

050147463

ABSTRACT:
Control valves suitable for use in nuclear power plants are provided which include a muffler having a cylindrical wall with a plurality of substantially circular apertures spaced substantially equilaterally from one another within a portion of the wall. The apertures can be disposed in a repetitive helical pattern of a substantially equilateral triangle for maintaining consistenet ligament widths in all directions for providing uniform structural strength to the valve.

REFERENCES:
patent: 3602261 (1971-08-01), Brown
patent: 3990475 (1976-11-01), Myers
patent: 4249574 (1981-02-01), Schnall et al.
patent: 4573492 (1986-03-01), Tadokoro
patent: 4705071 (1987-11-01), Conners, Jr. et al.
patent: 4766932 (1988-08-01), Heymann et al.
Fisher Bulletin: "The Silent Treatment," Sep. 1976, pp. 4-8.

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