Matches 1 - 50 out of 181 1 2 3 4 >
Match Document Document Title
7600998 Portable heater with roll cage  
An elongated generally cylindrical shell of a portable gas forced air unit is provided with a roll cage for protection. A pair of end caps located at each proximate end of the shell are connected...
7481650 Direct gas-fired burner assembly with two-stage combustion  
A direct gas-fired burner assembly is disclosed in which a two-stage flame is produced. A gas manifold is attached to two baffles with apertures disposed therein. The apertures are designed such...
7300278 Gas fired portable unvented infrared heater  
A portable heater adapted for use in a recreational enclosure or temporary work enclosure includes a housing having an air inlet on the lower front face. A gas supply is at least partially enclosed...
6941677 Portable air heating system  
A portable air heating system for use in remote areas is disclosed. The portable air heating system provides a stream heated air for use in heating the interior of a structure, such as a tent or...
6880549 Combustion system for a heater  
A combustion system for a portable forced air heater having two frusta-conical sections attached to a circular burner tube, wherein each frusta-conical section has pre-determined vent hole patterns...
6808018 Heat circulation apparatus  
A heat circulation apparatus includes a housing that has a perimeter wall for defining an interior space. The interior space includes an intake port and an exhaust port. The housing is designed for...
6718968 Enclosure for an infrared heater  
A burner and fan enclosure for an infrared heater includes a low pressure housing 10 with an internal high pressure housing 24 . A centrifugal fan 39 is located within the low pressure housing...
6694968 Linear multi-oil furnace and heat exchanger  
A multi-oil fired furnace having a heat exchanger that extends rearwardly of the combustion chamber and utilizes laminar air flow around the combustion chamber to minimize the width and height...
6681760 Direct-fired heater  
A combustion system for a portable forced air heater having two frusta-conical sections attached to a circular burner tube, wherein each frusta-conical section has pre-determined vent hole patterns...
6648236 Apparatus for heat storage through a thermovector liquid  
This invention relates to the field of heating water for consumption, preferably but not exclusively water heated by solar energy, and more specifically the invention refers to a heat storage...
6644300 Portable blower heater/cooler apparatus  
A portable blower heater/cooler apparatus for providing 360 degrees of air-forced heat. The portable blower heater/cooler apparatus includes a base housing assembly including a base housing member...
6598599 Hot air space heater  
An object of the present invention is to provide a hot air space heater that is capable of blowing hot air out of a whole wide hot air outlet provided at a front plate of a frame of the heater...
6595200 Mobile heater  
A mobile heater that can be easily moved to any location and can be stored and transported in a compact configuration is disclosed. The mobile heater comprises of a housing with a removable...
6540150 Fuel-operated air heater  
A fuel-operated air heater ( 1 ) is disclosed, especially an air heater for automobiles that is operated independent from the motor. The inventive heater comprises a burner ( 2 ), a combustion...
6526964 Direct gas-fired burner assembly  
A gas burner assembly, including its gas intake manifold, in combination with upper and lower tiered baffles, and includes the side chambers for regulation of flow if air through a draw in and...
6386193 Combustion heater  
A combustion heater includes a combustion chamber having a burner input port and a heat output port. A burner is coupled to the burner input port, whereby heat is generated within the combustion...
6308702 Compact high-efficiency air heater  
A compact high efficient air heater providing improved comfort regulation. The air heater includes a cross-flow type heat exchanger formed from a plurality of stacked corrugated plates which define...
6186138 Recycling air mixer for heater unit  
A portable controlled heating unit providing for recirculating heated air to obtain better control of exit temperature from a heating unit. Temperature sensors of exit temperature control vaned...
6152128 Easily-assembled portable forced-air heater with reduced number of components  
A portable forced air heater includes a one-piece unichassis structure which forms the base and the outer housing of the heater. The outer housing defines an elongated passage having a front end...
6142141 Airflow diffuser for use with a forced-air space heater and a forced-air space heater using the same  
A unitary airflow diffuser for use with a forced-air space heater has a plurality of spurs radially extending from a hub. The spurs include one or more vanes for deflecting the airflow generated by...
6089221 Space heater  
A space heater for heating air from within a room with a heat exchanger connected to a burner and discharging heated air into the room has a room temperature sensor for detecting a room temperature...
6065468 Housing for outdoor gas heater  
A housing for an outdoor gas fired construction heater that incorporates a one-piece shell design that sits on and mounts directly to the base. Openings are used in the sides near the top and the...
6019099 Heat removal system for fireplaces  
A high efficiency gas fireplace unit having a heat exchanger is located in a room in which the heat from the gas fireplace is not wanted. An air duct is connected to the heat exchanger and has a...
5988156 Fluid fuel spray burner for a heater  
A fluid spray burner for a heater having a nozzle block which supports a spray nozzle and to which fuel can be fed from a fuel line via a fuel pump. A fuel pump is integrated in the burner housing,...
5950616 High-efficiency waste oil fire heater  
A high efficiency heater system made up of a longitudinally extending combustion chamber located within an external enclosure which is spaced apart from the combustion chamber to provide an air...
5941232 Space heater with novel fuel line assembly  
A portable space heater in which a fuel discharge nozzle discharges fuel into a combustion chamber from a fuel tank. A rigid non-flexible metal tube extends between the nozzle and tank. The tank...
5893711 Space heater with plastic fuel tank  
A portable space heater in which a plastic tank is utilized underneath a relatively heavy heater unit. The plastic tank is protected against stresses exerted on it by the heater unit by a unique...
5879154 Flame spreader-type fuel burner with lowered NOx emissions  
A fuel-fired water heater is provided with a flame spreader-type fuel burner assembly that reduces the operating NOx emissions of the water heater. The assembly includes a radial port gas burner...
5848585 Portable space heater  
A portable forced air heater includes a base, an outer tubular housing mounted on the base which includes front and rear ends, and a burner assembly mounted within the outer housing. The burner...
5727730 Air heating device  
The invention relates to an air heating device with a hot air fan located in a housing to deliver hot air from an air inlet opening which is located on the face side via a heat exchanger to a hot...
5664555 Wall heater with improved heat exchanger  
A forced air, wall heater includes a heat exchanger which has a plurality of tubes. Each of the tubes include substantially parallel aligned runs and at least one return section between adjacent...
5540213 Portable kerosene heater  
A kerosene heater (1) having a pump assembly (106) which includes a piston (113) having a hollow bore (121) through which fuel (98) is routed to the hollow shaft of a fuel atomizer (27). The piston...
5524606 Air heater  
Air heater comprising a gas burner and heat exchange means including at least one heat-exchange wall which separates a first passage for flow of air to be heated from a second passage for flow of...
5399086 Gas-fired air heater assembly  
In a direct gas-fire heater assembly having a generally box-like housing with a grate-like floor with a conventional gas regulator, a gas port mounted within a box-like shroud, the shroud having...
5363836 Furnace with supplementary heat exchange means  
A furnace including an elongated housing having an air intake adjacent one end of the housing and an air discharge vent adjacent the other end of the housing utilizes a substantially U-shaped heat...
5307800 Afterburner for a fuel-burning heater and method of construction  
An afterburner positionable adjacent the discharge end of a combustion chamber of a fuel-burning heater utilizes a ring portion and a nose cone portion which are constructed as a unit out of a...
5249956 Multifuel heater  
An improved multi-fuel heater using a porous fuel vaporizer in close proxty to an burner cup the improved heater having means to ameliorate the build up of particulate material between the cup and...
5232153 Arrangement for the reduction of the exhaust gas temperature in heating devices  
An arrangement for the reduction of exhaust gas discharge temperature and for an increase in efficiency in heating devices is preferably used for the heating of the interior of mobile units. A...
5201651 Construction heater and method of manufacture of heater  
A gas-fired construction heater which meets the applicable ANSI Standard and operates to supply heated air separately from products of combustion. The products of combustion are permitted to...
5197871 Vaporizing type burner  
A vaporizing type burner including a cylindrical body, a combustion chamber, a fuel absorbing section for receiving a fuel therein and vaporizing the received fuel therefrom, a mixer tube in which...
5172857 Combustion air blower for an auxiliary heater for a motor vehicle  
A motor vehicle auxiliary heater annular combustion air blower is disclosed having a housing defining a suction side of the blower and a delivery side of the blower. The housing also defines a...
5165386 Compact gas-fired air heater  
A heat exchanger for heating air or another gas, comprising at least one gas-fired burner comprising a metal pipe-shaped combustion chamber which is part of the heat exchanger and extends in the...
5137444 Process for operating a burner fed with liquid fuel  
A process for operating a burner fed with liquid fuel, in particular a vaporization burner of a heater in which, preferably, a motor vehicle add-on heater is involved. In this operating process,...
5090896 Central heating for motor vehicles and such mobile units  
With a fluid fuel driven standard heating for motor vehicles, whose combustion chambers are equipped as vaporizer burners, a heater plug with open heater coils up to now would be installed in the...
5082175 Heating device, particularly vehicle heating device  
A heating device (1) is provided with a sleeve member (14) surrounding a burner element (10) of the heating device, such that a combustion air chamber (15), having a predetermined volume...
5065736 Air heating apparatus and method of heating an air stream  
An improved air heating apparatus and method of heating an air stream wherein the heating arrangement includes a heater housing with a combustion drum having a burner at one end thereof, the drum...
5046663 Heater  
A heater, in particular a motor vehicle heater, has a muffler insert in the exhaust gas outlet, a muffler insert that reduces, in particular, disturbing, low-frequency combustion noises. With the...
5033956 System for and method of controlling fuel flow to a heating device  
Flow of liquid fuel to a vaporization tube of a heating device is controlled by a vertically adjustable float valve, with the vertical height of a surface level of the fuel in a float valve chamber...
5020991 Heating device operated by means of liquid fuel  
A heating device, especially a motor vehicle heating device operated by means of liquid fuel, has a vaporization burner with an absorbent body that can be acted upon by liquid fuel. To effect...
5005556 Efficient gas hot-air furnace and heating process  
Substantially all available heat from a combustion gas stream is extracted by passing it through a cool, porous heat sink, which is thereby heated, and then releasing that heat into a cool air...
Matches 1 - 50 out of 181 1 2 3 4 >