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Class 219/532 - With open frame or grid-type support


Subclass of Class 219 - Electric heating
Definition: Subject matter wherein the significant support means is
No. of patents: 139
Last issue date: 05/24/2011


1        
NumberTitleIssue Date
7947932Open coil electric resistance heater with offset coil support and method of use
An open coil electrical resistance heater uses a number of offset insulators to support the coil of the heater. The offset insulators configure the run of coil in a sinusoidal shape to hold the insulators in a more secure manner and reduce vibration and noise genera...
05/24/2011
7592572Compressed cartridge heater
A cartridge heater, especially a compressed cartridge heater (1) has at least one heating coil (8, 9), which is arranged exposed in a metallic tubular body (2) and is embedded in a granulated insulating material. The ends of heating coil portion...
09/22/2009
7557330Heated floor panel with integrated controller having ground fault interrupt circuit
A fault protected aircraft heated floor panel is provided. The floor panel includes upper and lower floor panel skins and an electro-resistive heater element interposed between the upper and lower floor panel skins. The floor panel further includes a controller for ...
07/07/2009
7365288Heater assembly for dryer
A heater assembly for a dryer is stably assembled and reduces noise. The heater assembly for a dryer includes hot wires electrically heated an insulator provided with a groove at the center, having lower and upper portions into which the hot wires are fixed, and a p...
04/29/2008
7322125Dry heater fixing unit of drum-type washing machine combined with drier
A heater fixing unit of a drum-type washing machine is provided. The heater fixing unit more stably supports a heater installed in a dry duct to reduce vibration and a noise of the heater. For that purpose, the heater fixing unit includes a duct body, a heater, two ...
01/29/2008
7230215Heat generating device formed of heat generating diaphragm plates
Disclosed herein is a heat generating device formed of heat generating diaphragm plates comprises an electrically conducting supporting frame and a plurality of heat generating diaphragm plates. The supporting frame consists of two coupled supporting plates facing a...
06/12/2007
7211772Patterned electrical foil heater element having regions with different ribbon widths
A patterned foil sheet heating element has a first discrete region patterned with a first plurality of holes forming multiple conductive ribbons and having a first sheet resistivity. It also has a second discrete region patterned with a second plurality of holes for...
05/01/2007
7154072Method of using open coil resistance heater in appliances with right and left hand installation capability
An open coil resistance heater assembly is made for universal mounting between left and right hand installations in an appliance or other equipment. The heater assembly has its coils arranged symmetrically about a bisecting plane of the heater assembly and/or a cent...
12/26/2006
7149416Clothes dryer heater with air flow increasing device adjacent the heating element
A heater for a washer-dryer includes a duct in which heating elements for heating the air flowing through the duct are disposed. A device for increasing the airflow in the area of a heating element is provided in the duct to improve the transportation of heat away f...
12/12/2006
7119308Forced-air heater control system and method
The present invention relates to a forced-air electric heater control system for HVAC systems. One embodiment utilizes two heat sensors which are positioned upstream and downstream, equidistant from the heating element(s). The control system, in this embodiment, tak...
10/10/2006
7075043Standoff for use with uncoiled bare wire and insulated runs of an open coil electric resistance heater, method of use, and an open coil resistance heater using the standoff
An open coil resistance heater uses one or more standoffs to engage and support the generally straight or uncoiled run of bare or insulated wire that is part of the resistance wire of the heater. The standoff has slots, which are sized to engage the bare or insulate...
07/11/2006
7046112Logging tool induction coil form
The present invention is directed to a logging tool induction coil form having a coating layer, which is easy to form to tight tolerances, bonded to at least a portion of the outer surface of the ceramic hollow cylindrical core. A plurality of parallel circumferenti...
05/16/2006
7012223Forced-air heater control system and method
The present invention relates to a forced-air electric heater control system for HVAC systems. One embodiment utilizes two heat sensors which are positioned upstream and downstream, equidistant from the heating element(s). The control system, in this embodiment, tak...
03/14/2006
7007404Heating element assembly for clothes drier
A heating element assembly for a clothes drier, comprising: a heating wire coil adapted to be wired to a power source for heating air passing through a heating element housing of a drier for subsequent drying of clothes in a drum of the drier. The heating wire coil ...
03/07/2006
6943325Water heater
An improved water heater for use in spas, hot tubs, pools, hydrotherapy pools, bath tubs, and similar bodies of water used indoors, outdoors, or both indoors and outdoors are used for both therapeutic and recreational purposes. The water heater uses heating element ...
09/13/2005
6906292Sample tray heater module
A heater module is described that includes a heat distribution plate including a bottom portion having first and second sides and a plurality of projections extending away from one of the sides. A heat source is provided for heating the heat distribution plate, and,...
06/14/2005
6884974Mica board electrical resistance wire heater, subassemblies, components, and methods of assembly
A mica board open coil resistance heater assembly includes a mica board subassembly of at least one pair of mica boards, a resistance wire wound around the boards, an electrical connection clip secured to each mica board, wherein each end of the resistance wire is c...
04/26/2005
6770855Methods of assembling open coil electrical resistance heaters involving butt welding of rails and using welded insulator support clips with bendable tabs
A heater having a frame rail and clips, attached to the rail, for securing insulators for supporting a heater coil. Each clip has a main body having a structural member for securing to the rail, and having a pair of flanges symmetrical about a central axis. Each fla...
08/03/2004
6600141Thermostat assembly for a heater
A heater assembly includes a mounting assembly, a conducting structure, a thermostat structure, a first terminal structure and a second terminal structure, and an insulator support structure including a terminal receiving opening formed therethrough. The ...
07/29/2003
6596974Support apparatus for resistive coils and insulators in electric heaters
A heater having a frame rail and clips, attached to the rail, for securing insulators for supporting a heater coil. Each clip has a main body having a structural member for securing to the rail, and having a pair of flanges symmetrical about a central axi...
07/22/2003
6593553Heating coil assembly and methods for assembling the same
The present invention provides a heating coil assembly having metal bracket, a support rail, a heating coil, and a plurality of insulating supports. The metal bracket is attached to a terminal block and the support rail. The heating coil is electrically c...
07/15/2003
6593554Method and apparatus for mounting a heater thermostat and temperature sensitive fuse
A heater having an insulating terminal mounting block, a thermostat and a terminal bushing mounted to a frame. The insulating terminal mounting block supports a plurality of removable terminal members. Each terminal member has a crimping structure at one ...
07/15/2003
6433318Electric heater assembly with in-line thermostat
A heater having a frame supporting a heater element resistance wire and an in-line thermostat. The in-line thermostat has substantially flat connection terminals or terminals, each having a though hole. A substantially flat blade connects to each thermost...
08/13/2002
6285013Heat coil support assembly and method
An insulating support structure for a helical wire heating coil for an electric resistance heating element includes a plurality of insulating standoff members supported by a metallic support frame. The insulating standoffs each include a pair of wedge por...
09/04/2001
6259070Electrical resistance heater insulator
There is disclosed an electrically resistance insulator for use in supporting a helical heater coil at seven locations on the coil. The insulator is supported from a support structure and has a pair of arms that extend from the base for supporting the hea...
07/10/2001
6150633Heating element for a water-bed
A heating element for heating a water-bed comprising a metal support plate having a high coefficient of thermal conductivity, a heat source attached to the metal support plate and having an electrically resistive conductor which emits heat when electricit...
11/21/2000
6108940Heater housing for an electric clothes dryer
An electric clothes dryer has an irregular polygonal shaped rear wall where the apexes in the polygon align readily with the center of the heater housing to define positions where the electrical insulators are mounted to the heater housing rear wall. Rais...
08/29/2000
6087639Heating coil retainer bracket and method for manufacturing the same
A retainer bracket for an electric heating assembly is provided with a pair of parallel and opposing side beams having longitudinal axes and at least one planar transverse support formed integral with the pair of side beams and extending between the pair ...
07/11/2000
6028296Regenerative heater of diesel engine particulate trap and diesel engine particulate trap using the same heater
A meshed plate-like heater is disposed between multi-layer cylindrical filters without contacting with the filters to constitute a DPF. The heater has a form in which strip-like electric conduction paths are arranged and developed side by side horizontall...
02/22/2000
6023487Process for repairing heat treating furnaces and heating elements therefor
This invention relates to heat treating furnaces which employ electric resistance heating elements and, in particular, to improved processes for repairing such furnaces and heating elements particularly useful in such repair. A typical vacuum furnace empl...
02/08/2000
6021155Heat treating furnace having improved hot zone
The present invention provides a high temperature vacuum furnace including a hot zone, which is made for heavy-duty heat treating applications. In a preferred embodiment, the hot zone chamber has an outer and an inner wall. The inner wall includes a heat ...
02/01/2000
6002116Heater coil mounting arrangement
There is disclosed an arrangement for mounting a heating coil relative to a supporting wall of a clothes dryer heater housing. An insulator has a main body portion adapted to secure the heating coil relative thereto and a base portion adapted to be seated...
12/14/1999
5935471Heater coil support and mounting bracket
A ceramic heater coil support bracket, suitable for use in a clothes dryer, supports a helically wound heating coil in spaced apart relation from a support surface or wall. The bracket includes a base adapted for securement to the support surface and a pa...
08/10/1999
5925273Electric multi-stage heater assembly
An electric multi-stage heater assembly that provides multi-level heating using a plurality of separately controllable heating elements within a housing that is readily interchangeable with standard single-stage heater housings that can be controlled by c...
07/20/1999
5895597Electric heater support and mounting assembly
An electric heater support and mounting assembly is described for reducing or substantially eliminating noise resulting from the vibration in the heating element. The support and mounting assembly comprises a housing having a plurality of unique openings ...
04/20/1999
5889260Electrical PTC heating device
An electrical heating device employing positive temperature coefficient (PTC) thermistors as heating elements, which provides direct contact between the thermistor heating elements and the radiation units on both sides with no intervening members and whic...
03/30/1999
5665261Motor vehicle electric heating device having angled off metal heating plates arranged to mutually abut one another at opposite ends
An electric heating device includes a plurality of heating elements which are assembled to form a block. Such a heating element is formed from two metal plates, with the interposition of PTC elements. In order to increase the heat transfer, the metal plat...
09/09/1997
5619613Heating chamber with insulative shield panel and electric heating panels mounted on guard frames
A heating chamber for maintaining processed foods warm for extended periods while not sacrificing food quality or causing a secular change in the chamber's insulating member. The heating chamber has side walls formed by outer and inner walls made of relat...
04/08/1997
5578232Open-coil heater assembly and insulator therefor
An open coil electric heater comprising a rigid support frame composed of a pair of longitudinally extending, laterally spaced members, with cross members between and secured to the longitudinal members. The cross members carry ceramic insulator members w...
11/26/1996
5497394Electric heater element support
A vacuum furnace has a heating chamber heated by metal strip electric heater elements. The elements have insulated mechanical support between their ends to hold them in position in the furnace. Support is provided by a ceramic post having an internal thre...
03/05/1996
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