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| Number | Title | Issue Date |
| 5516282 | Burner tube and space heater employing the tube A pressurized space heater for burning gaseous fuel has as its main component a generally conical burner tube that receives at its narrow end a combustible mixture of fuel and primary air. Complete combustion in the tube is enhanced by two sets of holes d... | 05/14/1996 |
| 5082055 | Gas fired radiant tube heater An in situ thermal system is disclosed for enhanced oil recovery and the like from a subterranean formation. The system pressurizes the formation with water whereupon the entire formation is heated to relatively high temperatures in the absence of gas for... | 01/21/1992 |
| 4850855 | Combustion cylinder structure for oil burner A combustion cylinder structure for an oil burner capable of uniformly red-heating an upper portion of upper and lower cylindrical members as well as the remaining part of the members and exhibiting good aesthetic characteristics during combustion operati... | 07/25/1989 |
| 4846672 | Combustion cylinder structure for oil burner A combustion cylinder structure for an oil burner capable of decreasing in the number of used parts to simplify its construction and assembling. A flame spreading cylinder arranged in an inner cylindrical member downwardly extends through a partition plat... | 07/11/1989 |
| 4790746 | Vaporizing fuel burner The present invention relates to a combustion equipment to be employed for heating in domestic use or the like. The combustion equipment is provided with an air control cylinder having a closed bottom surface inwards of an inner flame cylinder, and an out... | 12/13/1988 |
| 4666398 | Space heater Large numbers of vent holes are respectively formed in inner and outer flame cylinders defining an annular combustion chamber to supply air thereto. A total opening area of the vent holes formed in the outer flame cylinder is greater than that of the vent... | 05/19/1987 |
| 4664095 | Safety device for open-type combustor A safety device for an open-type combustor such as a room-type oil stove which is capable of quickly extinguishing the flame of the combustor upon the occurrence of oxygen starvation but which does not operate unnecessarily during ordinary shut-off operat... | 05/12/1987 |
| 4626197 | Space heater A wick temperature control unit is provided for controlling the temperature of a wick having the lower end portion dipped in a fuel tank for storing liquid fuel and the upper end portion inserted in a combustion chamber through a narrow path. The wick soa... | 12/02/1986 |
| 4619603 | Combustion cylinder construction for oil burner A combustion cylinder construction for an oil burner is disclosed which is adapted to adjust combustion while preventing the adhesion of soot, moisture and the like on the inner surface of a heat-permeable cylinder to keep it clean during combustion. The ... | 10/28/1986 |
| 4580971 | Oil heater An oil heater having a wick fed radiant burner which comprises a wick adjusting shaft rotatable in first and second directions about the longitudinal axis thereof; a wick holder for moving together therewith a wick between an extinguishing position and a ... | 04/08/1986 |
| 4569652 | Combustion cylinder construction for oil space heater A combustion cylinder construction for an oil space heater is disclosed which is constructed to dispose a uniform air flow forming mechanism between an outermost heat-permeable cylinder and an outer cylindrical member of a double combustion cylinder, ther... | 02/11/1986 |
| 4534727 | Liquid fuel burner having an oxygen sensor located in a flame In a liquid fuel burner of the type wherein vaporization of the fuel is sustained by the heat of its own flame, an oxygen sensor is located in the flame to provide a signal when the flame diminishes indicating the occurrence of an oxygen shortage conditio... | 08/13/1985 |
| 4518347 | Liquid fuel combustion apparatus A liquid fuel combustion apparatus comprises a fuel tank, a wick partially immersed in fuel in thetank, and a combustion chamber enclosing the upper portion of the wick. The wick has two sections, one section being composed of a gasifying wick element of ... | 05/21/1985 |
| 4511327 | Oil burner A double-cylinder type oil burner having an inner flame cylinder and an outer flame cylinder. A red-heatable cylinder is connected to the upper end of the inner flame cylinder with a secondary air inlet left therebetween. A damper mechanism for varying th... | 04/16/1985 |
| 4492563 | Burner for heating air and disposed in a passage through which air flows A burner for heating air flowing in a passage in which the burner is disposed comprises a tube connected to the gas supply. The tube has mixing plates with flow apertures for the air secured to it to diverge from each other conically in the direction of a... | 01/08/1985 |
| 4484886 | Combustion cylinder construction for oil space heater of the type for radiating heat rays A combustion cylinder construction for an oil space heater of the type for radiating heat rays is disclosed which is capable of uniformly red-heating an outer surface of an outer cylindrical member of a double combustion cylinder and efficiently radiating... | 11/27/1984 |
| 4465457 | Liquid fuel burning device A liquid fuel burning device suitable for kerosene stove, kerosene kitchen range or the like. The device has an inner and outer flame sleeves each having a multiplicity of pores and a wick interposed between these sleeves. The wick has a fuel evaporating ... | 08/14/1984 |
| 4424019 | Device for vertically moving the wick of an oil burner A device for vertically moving a wick in an oil burner is disclosed which is capable of constantly ensuring the normal combustion operation of the oil burner. The device includes a drive shaft having a pinion, a rack disposed adjacent to a wick receiving ... | 01/03/1984 |
| 4392813 | Combustion appliance with safety device In a combustion appliance with a safety device therein, an inner flame cylinder, a red-heat cylinder and an outer cylinder disposed concentrically on the outer side of the red-heat cylinder are provided to constitute a combustor and an oxygen sensor is di... | 07/12/1983 |
| 4390003 | Petroleum combustion device A petroleum combustion device for heating rooms or the like comprising a primary combustion chamber, a secondary combustion chamber disposed on the primary combustion chamber and provided at that portion of its base plate which is outside an outer cylinde... | 06/28/1983 |
