VENTILATOR

VENTILATEUR

Claims

Claim 1st An air-flue provided with two valves acting upon two seats formed within the air-flue at a suitable distance apart, so as to leave a dead-air space between them when the valves are seated, in combination with mechanism arranged to connect the valves with a radiator or other heater, and so constructed that the increase or decrease of the temperature of the radiator is utilized for the purpose of opening and closing the valves located within the air-flue, substantially as specified. 2nd The combination of the cap C having a passage d, and connected by a coupling with elbow pipe C1 attached to a radiator, the expansion pipe B and the rod D which actuates a lever, substantially as described and for the purpose specified. 3rd The combination of the bored cap C on which the expansion pipe B is sleeved, and connected by a coupling with the elbow pipe C1 attached to a radiator, the rod D, bent lever E pivoted in bearings formed on the half sleeve F which is secured to the expansion pipe B and which communicates motion to valves in the air-flue, substantially as specified. 4th The combination of the expansion pipe B, connected by a bored cap C and elbow pipe C1 to a radiator, the rod D, bent lever E pivoted on bearings formed in the radiator, the cerd r, pivoted lever k, handle m, valve-rod a, adapted to slide in suitable bearings formed in an air-flue II and carrying a valve which is moved from its seat by motion derived from the expansion of the pipe B when seated, substantially as specified. 5th The combination of the bored cap C on which the expansion pipe B is sleeved, and connected by a coupling with the elbow pipe Cl attached to a radiator rod D, bent lever E pivoted on a bearing formed on the half sleeve F attached to the expansion pipe B, the long arm f of the bent lever E being adapted to move between guides g also formed in said half sleeve F, and connected by the cord r to the pivoted lever k which is pivotally connected with an attachment formed at the inner end of the valve rod a, carrying by means of suitable bearings the valves J and K adapted to open and close the apertures in the valve-seats J1 and K formed in the air-flue H, substantially as described and specified. 6th The combination of the cord, t which passes over pulley a having suitable bearings in the air-flue, and attached to the inner end of the valve-shaft n which is supported by brackets o, and the weight w adapted to reseat the valves in the air-flues when the radiator has become cooled, substantially as specified. 7th A valve located in an air-flue and adapted to be moved from its seat by motion derived from expansion caused by a heated radiatar, and a means for for automatically reseating said valve when the radiator has become cooled, substantially as specified. 8th In combination with a radiator, an expansion pipe so formed and attached to the radiator as to cause by its elongation under the influence of heat derived from the radiator the movement of a rod which actuates a series of levers, connected together in such a manner as to give an increased lateral motion to a valve-rod, which moves a valve from its seat formed in an air-flue in a wall, substantially as and for the purpose specified. 9th In combination, with a radiator, an expan-sion pipe so formed and attached to the radiator as to cause by its elongation under the influence of heat, the movement of a rod which actuated a series of levers, connected together in such a manner as to give lateral motion to a valve-rod adapted to slide in suitable bearings against the action of a weight or spring, and to move from their seats formed in an air-flue two valves, and also to permit of the reseating of the valves enclosing between them a dead-air space when the expansion pipe has become so cooled and contracted that the weight or spring may draw the valves back to their seats and exclude the cold outside air, substantially as specified.