Fluid handling – Flow affected by fluid contact – energy field or coanda effect – Means to regulate or vary operation of device
Patent
1976-08-04
1978-05-30
Engle, Samuel W.
Fluid handling
Flow affected by fluid contact, energy field or coanda effect
Means to regulate or vary operation of device
1375992, 176 65, G21C 900
Patent
active
040922146
ABSTRACT:
Nuclear reactor installation has a containment shell, a steam generator disposed in the interior of the containment shell, a live steam line extending from the steam generator through the containment shell to the exterior thereof, a fast-acting valve having a main valve seat and a movable main valve plate opening and closing on the main valve seat connecting the live steam line to the steam generator, the main valve plate being closable on the main valve seat in a pressure-dependent operation upon the occurrence of a leak in the live steam line, the valve and the line having substantially equal maximum aperture cross sections, pressure-dependent operating means for opening the main valve plate on the main valve seat at a pressure exceeding the operating pressure of the live steam line, and means for limiting the opening by the main valve plate on the main valve seat to at most about half the maximum aperture cross section. The main valve plate includes a tubular slider and an auxiliary valve plate surrounded by the tubular slider, a fixed guide member mutually sealing the tubular slider and the auxiliary valve plate, an auxiliary valve seat for the auxiliary valve plate formed in the guide member, the auxiliary valve plate being openable on the auxiliary valve seat with increasing steam pressure to provide a smaller aperture cross section.
REFERENCES:
patent: 3081919 (1963-03-01), Samuel
patent: 3529630 (1970-09-01), Podolsky
patent: 3605808 (1971-09-01), Fisher
patent: 3631893 (1972-01-01), Seaman
patent: 3734134 (1973-05-01), Vogeli
IBM Technical Disclosure Bulletin, vol. 17, No. 11 Apr. 1975, p. 3213.
Laurer Erwin
Schabert Hans-Peter
Engle Samuel W.
Kraftwerk Union Aktiengesellschaft
Lerner Herbert L.
Palo Ralph
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