Condensate trap
First Claim
1. A trap for condensate in combustion gases flowing through an exhaust gas conduit from gas fired forced draft liquid heating apparatus comprising, housing means providing a chamber having a condensate inlet open to said conduit and a condensate outlet below said inlet, valve means for opening and closing said outlet, and means responsive to the level of condensate in said chamber for actuating said valve means to open and close said outlet, said valve means including a valve seat and a valve element displaceable to engage and disengage said valve seat respectively to close and open said outlet, and said level responsive means including float means in said chamber for displacing said valve element toward and away from said valve seat, and means separating and interconnecting said float means and said valve element.
6 Assignments
0 Petitions
Accused Products
Abstract
A condensate trap in the exhaust gas conduit of a forced draft water and space heater comprises a housing providing a chamber open at its upper end to the exhaust conduit and having a condensate outlet below the inlet and controlled by a float valve in the chamber.
57 Citations
29 Claims
- 1. A trap for condensate in combustion gases flowing through an exhaust gas conduit from gas fired forced draft liquid heating apparatus comprising, housing means providing a chamber having a condensate inlet open to said conduit and a condensate outlet below said inlet, valve means for opening and closing said outlet, and means responsive to the level of condensate in said chamber for actuating said valve means to open and close said outlet, said valve means including a valve seat and a valve element displaceable to engage and disengage said valve seat respectively to close and open said outlet, and said level responsive means including float means in said chamber for displacing said valve element toward and away from said valve seat, and means separating and interconnecting said float means and said valve element.
- 14. A trap for condensate in combustion gases flowing through exhaust gas conduit means from gas fired, forced draft, liquid heating apparatus comprising, cylindrical housing means having a vertical axis and upper and lower ends, said upper end being open and including means for connecting said housing means to said exhaust gas conduit means, said lower end including an end wall, means providing an outlet opening through said end wall coaxial with said axis, a float in said housing means between said upper and lower ends, said float being vertically displaceable toward and away from said outlet opening in response to the level of condensate in said housing means, a valve element and means separating and interconnecting said float and said valve element and movable therewith to actuate said valve element to close and open said outlet opening.
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27. A trap for condensate in combustion gases flowing through an exhaust gas conduit from a gas fired, forced draft, liquid heating apparatus, said trap comprising:
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a cylindrical housing means; a chamber within said housing means adapted to collect said condensate, said housing means comprising a reducer coupling having a radially inwardly extending circumferential flange having an internal diameter, said chamber having a condensate inlet open to said conduit and a condensate outlet below said inlet, said housing means also including a stop pin interposed in said condensate inlet; a valve seat located at said condensate outlet; a valve element adapted to engage and disengage said valve seat to respectively open and close said outlet; a float means disposed above said valve element in said chamber for displacing said valve element, said float means comprising an outer shell component having an external diameter closely corresponding to said internal diameter of said circumferential flange for guiding vertical movement of said float means, a flat upper end adjacent said condensate inlet of said chamber and a bottom end, said float means upward displacement limited by said stop pin; and a stem secured to said bottom of said float and to said valve element for separating and interconnecting said float means and said valve element. - View Dependent Claims (28, 29)
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Specification