| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 126285000 | DAMPERS | 14 |
| 20120085338 | AIR CONTROL REGULATOR FOR COMBUSTION CHAMBER - An air control regulator regulates the amount of air flowing into the inlet of a combustion chamber by causing flowing air to support a disc located in the air passage against the force of gravity. Air passes around the edges of the disc and is channeled into a plurality of airflows by ovoid depressions in the inner surfaces of the regulator forming a venturi chamber. By regulating the airflow into the combustion chamber, combustion efficiency is improved. | 04-12-2012 |
| 20120247450 | Adjustable Primary Air Supply for Wood Burning Device - An improved adjustable primary air supply for wood burning device comprises a base plate having an opening from where primary air enters a firebox. A gate rotationally attached to the base plate by way of a mechanical fastener; a slider with guiding means sliding within an inclined slot; the slider comprised of a contact point which makes contact with the gate for adjustments. A first thermostatic bimetal blade reacting to heat by displacing the gate so that the gate closes the opening; and a means to move the slider and push the gate fully open. The improvement comprising a first stopper member located on the base plate adjacent the opening and adapted to stop the movement of the gate and thereby prevent the gate from completely covering the opening, and a second thermostatic bimetal blade attached to the gate and adapted to react to heat by displacing the gate from the base plate so that the gate can move over the first stopper member such that the gate can continue to cover the opening until the gate contacts the slider contact point. | 10-04-2012 |
| 20150034068 | DAMPER OPENING/CLOSING MECHANISM AND COOKING DEVICE WITH SAME - A damper opening/closing mechanism includes: a damper which swings about a shaft to open and close a flow passage; an actuating lever which swings so as to swing the damper about the shaft; a reciprocating part which moves reciprocatively; and elastic members which are attached to the reciprocating part and positioned on forward-and-backward both sides in a swinging direction of the actuating lever and moreover which elastically bias the actuating lever along with reciprocative motions of the reciprocating part. | 02-05-2015 |
| 20110203569 | Boiler system stabilizing damper and flue control method - One embodiment of a boiler system stabilizing damper for boiler flue systems comprising a cylindrical main housing ( | 08-25-2011 |
| 20140150770 | SELF-POWERED DAMPER SYSTEM - A system for operating a damper comprises a flue pipe assembly, and a damper movable between an open position and a closed position within the flue pipe assembly. At least one thermoelectric generator is coupled to a surface of the flue pipe assembly. Operation of the damper is achieved by the thermoelectric generator harvesting thermal energy from the flue pipe assembly and converting it into usable electrical energy for actuation of the damper. | 06-05-2014 |
| 126286000 | Distance operating devices | 1 |
| 20140352684 | LINEAR SLIDE DAMPER SYSTEM - A damper system comprises a damper blade having open and closed states. The damper blade is movable in a linear direction only between the open and closed states. The damper blade may fully overlap with a flue passage in the closed state, and the damper blade may lack any overlap with the flue passage in the open state. A portion of the damper blade may directly contact a switch activation arm in the open state, wherein the switch activation arm confirms the open state of the damper blade. | 12-04-2014 |
| 126287500 | Fusible release | 1 |
| 20080264405 | Fire damper - A fire damper comprising a housing, a louver member rotationally engaged within the housing, the louver member having a substantially gas tight seal with the housing when the louver member is in a closed position, a biasing member disposed outside of the housing and engaged with the louver member for moving the louver member from an open position and holding the louver member in the closed position, a temperature sensitive member releasably connected to the louver member, the temperature sensitive member for releasing the louver member from the open position at a predetermined temperature, and the louver member further comprising insulation material to control heat transfer through the louver member for a predetermined period of time. | 10-30-2008 |
| 126289000 | Stove | 4 |
| 20110094496 | Mechanical Damper Control - A mechanical damper control can be used to regulate the temperature of a smoker, barbecue grill, or generally any stove chamber. The mechanical damper control includes a housing that can be coupled to an inlet or outlet of a stove chamber, either directly or using an adapter. A temperature responsive expandable member and a damper are coupled to each other, and to the housing. A damper adjustment can be manipulated to just close the damper at a point when the stove has reached a desired temperature. Further changes in the temperature of the stove chamber cause the expandable member to expand or contract, resulting in a corresponding opening or closing of the damper to maintain the stove chamber at a substantially constant temperature. | 04-28-2011 |
| 20130025582 | GAS OVEN EXHAUST VENT DAMPER SYSTEM - A damper system for an exhaust vent of a gas operated oven includes a temperature-reactive member configured to expand when actuated by heating to a pre-determined temperature, and a damper member coupled to the temperature-reactive member, the damper member configured to move with the expansion of the temperature-reactive member to control a size of an opening to the exhaust vent from the gas operated oven. | 01-31-2013 |
| 20160109137 | LOW PROFILE DAMPER SYSTEM FOR OVENS - A damper system comprises a damper slide adapted to couple to a wall with a first outlet. In one embodiment, the damper slide has a first opening and is adapted to operate in a first position and a second position. In the first position, the first opening is at least partially aligned with the first outlet. The first opening and the first outlet are at least partially offset in the second position. | 04-21-2016 |
| 126290000 | Draft | 1 |
| 20080283039 | OVERFIRE AIR TUBE DAMPER FOR BOILER AND METHOD FOR REGULATING OVERFIRE AIR - A damper and overfire air duct in a combustion system having a combustion structure defining a flue gas passage, the damper and overfire air duct including: an inlet to the overfire air duct and an outlet to the duct discharging overfire air into the flue gas passage, and the damper aligned with an axis of the overfire air duct, and having an open position axially distal to the inlet and a closed position at least partially in the inlet and duct, wherein the damper is movable axially between the open and closed positions. | 11-20-2008 |
| 126292000 | Stovepipe | 3 |
| 20090235916 | NON-RETURN VALVE FOR AN EXHAUST DUCT OF FLUE GASSES - The invention regards a non-return valve for a exhaust duct of flue gases of a boiler, comprising a valve body in which a passage opening of flue gases is defined, to said valve body a obturator being associated which, in a determined operating condition, closes said opening, said obturator comprising a first swing element, hinged on said valve body at said passage opening of flue gases. Advantageously, said obturator comprises a second swing element, hinged on said valve body at said passage opening of flue gases, said first and second swing elements being hinged at or in proximity to a middle plane of said opening. | 09-24-2009 |
| 20140041648 | STACK APPARATUS TO CONTROL FURNACE GAS EXIT VELOCITY - An exhaust stack for a combustion zone of a furnace includes a main stack having a first chamber therein in communication with the combustion zone, and a main damper disposed for movement within the first chamber to be positioned to provide a cross-section of the first chamber through which combustion products from the combustion zone may flow, and a secondary stack having a second chamber therein in communication with the first chamber and being disposed within the first chamber, the secondary stack having a second damper disposed for movement within the second chamber to be positioned to provide a cross-section of the second chamber through which the combustion products from the combustion zone may flow. | 02-13-2014 |
| 126295000 | Lock and indicator | 1 |
| 20140137855 | Stovepipe Damper System - A wood stove damper assembly includes a damper plate, a through shaft, and a cross shaft. The damper plate includes a plurality of risers and a plurality of through shaft guides. The through shaft includes a bore and the cross shaft is configured to engage the bore and the risers. The cross shaft is inserted through the bore in the through shaft such that the cross shaft engages the risers when installed. The damper assembly also includes a fastener applied to the end of the through shaft. When installed in a chimney pipe, the fastener is tightened to pull the through shaft, which pulls the cross shaft against the risers, which pulls the edge of the damper plate against the interior of the chimney pipe to hold the damper plate in any position. Methods for manufacturing and installing a damper assembly are also disclosed. | 05-22-2014 |
| 126285000 | Electric | 2 |
| 20120085338 | AIR CONTROL REGULATOR FOR COMBUSTION CHAMBER - An air control regulator regulates the amount of air flowing into the inlet of a combustion chamber by causing flowing air to support a disc located in the air passage against the force of gravity. Air passes around the edges of the disc and is channeled into a plurality of airflows by ovoid depressions in the inner surfaces of the regulator forming a venturi chamber. By regulating the airflow into the combustion chamber, combustion efficiency is improved. | 04-12-2012 |
| 20120247450 | Adjustable Primary Air Supply for Wood Burning Device - An improved adjustable primary air supply for wood burning device comprises a base plate having an opening from where primary air enters a firebox. A gate rotationally attached to the base plate by way of a mechanical fastener; a slider with guiding means sliding within an inclined slot; the slider comprised of a contact point which makes contact with the gate for adjustments. A first thermostatic bimetal blade reacting to heat by displacing the gate so that the gate closes the opening; and a means to move the slider and push the gate fully open. The improvement comprising a first stopper member located on the base plate adjacent the opening and adapted to stop the movement of the gate and thereby prevent the gate from completely covering the opening, and a second thermostatic bimetal blade attached to the gate and adapted to react to heat by displacing the gate from the base plate so that the gate can move over the first stopper member such that the gate can continue to cover the opening until the gate contacts the slider contact point. | 10-04-2012 |
| 20150034068 | DAMPER OPENING/CLOSING MECHANISM AND COOKING DEVICE WITH SAME - A damper opening/closing mechanism includes: a damper which swings about a shaft to open and close a flow passage; an actuating lever which swings so as to swing the damper about the shaft; a reciprocating part which moves reciprocatively; and elastic members which are attached to the reciprocating part and positioned on forward-and-backward both sides in a swinging direction of the actuating lever and moreover which elastically bias the actuating lever along with reciprocative motions of the reciprocating part. | 02-05-2015 |
| 20110203569 | Boiler system stabilizing damper and flue control method - One embodiment of a boiler system stabilizing damper for boiler flue systems comprising a cylindrical main housing ( | 08-25-2011 |
| 20140150770 | SELF-POWERED DAMPER SYSTEM - A system for operating a damper comprises a flue pipe assembly, and a damper movable between an open position and a closed position within the flue pipe assembly. At least one thermoelectric generator is coupled to a surface of the flue pipe assembly. Operation of the damper is achieved by the thermoelectric generator harvesting thermal energy from the flue pipe assembly and converting it into usable electrical energy for actuation of the damper. | 06-05-2014 |
