Distillation: apparatus – Apparatus – Elements
Patent
1974-05-20
1976-05-18
Richman, Barry S.
Distillation: apparatus
Apparatus
Elements
137630, 13763015, 196136, 202256, 202270, C10B 2706, F16K 31128
Patent
active
039575900
ABSTRACT:
In a coking oven, in which gas is withdrawn from a chamber through a conduit, a draft control is interposed in this conduit to regulate the pressure therein. The draft control comprises a first and a second throttle flap which are mounted in the conduit and which together cover part of the interior cross-section thereof, the remainder of the cross-section being blocked by a fixedly mounted element, and arrangements being provided for moving each of the throttle flaps individually between an open and a closed position.
REFERENCES:
patent: 1243776 (1917-10-01), Stone
patent: 1847098 (1932-03-01), Otto
patent: 2004266 (1935-06-01), Beimann
patent: 2796082 (1957-06-01), Green et al.
patent: 2879799 (1959-03-01), Jansen et al.
patent: 2975109 (1961-03-01), Van Ackeren
patent: 3382895 (1968-05-01), McCullough
Bergwerksverband GmbH
Garris Bradley R.
Richman Barry S.
Striker Michael J.
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