A heating apparatus for induction heating is disclosed. The heating apparatus may comprise a bearing ring, at least one bearing element disposed in the bearing ring, and a braze material adjacent to the at least one bearing element and the bearing ring. The heating apparatus may additionally comprise an inductor positioned radially adjacent to at least a portion of the bearing ring. A current source may be electrically coupled to the inductor. A bearing orienting member may also abut a surface of the at least one bearing element. The bearing orienting member may orient a surface of the at least one bearing element. A heating method is also disclosed.

An induction coil assembly includes an annular member extending from a first end to a second end, and extending about a longitudinal axis; a first leg extending from the first end of the annular member, and including a first electrical connection portion and a first axial portion; and a second leg extending from the second end of the annular member, and including a second electrical connection portion and a second axial portion. An internal surface of the annular member defines a first fluid passage through the annular member. An internal surface of the first leg defines a second fluid passage through the first leg. An internal surface of the second leg defines a third fluid passage through the second leg. The second fluid passage is in fluid communication with the third fluid passage via the first fluid passage.

An induction coil assembly includes an annular member extending from a first end to a second end, and extending about a longitudinal axis; a first leg extending from the first end of the annular member, and including a first electrical connection portion and a first axial portion; and a second leg extending from the second end of the annular member, and including a second electrical connection portion and a second axial portion. An internal surface of the annular member defines a first fluid passage through the annular member. An internal surface of the first leg defines a second fluid passage through the first leg. An internal surface of the second leg defines a third fluid passage through the second leg. The second fluid passage is in fluid communication with the third fluid passage via the first fluid passage.

A staggered-teeth diamond saw blade includes a circular steel base and a side wall provided at an outer edge of the steel base. Multiple first diamond cutter heads and multiple second diamond cutter heads are alternately arranged at the side wall through laser brazing; multiple diamond teeth protection cutter heads are uniformly distributed on an external surface of the steel base through high frequency induction brazing; a pre-plating layer is preformed at a welding surface where the side wall is welded with the first diamond cutter heads and the second diamond cutter heads; a pre-plating layer is preformed at a welding surface where the external surface of the steel base is welded with the diamond teeth protection cutter heads. The diamond cutter heads of the present invention are staggered to thicken the thickness thereof while cutting concrete pavement and other materials at high speed.

A staggered-teeth diamond saw blade includes a circular steel base and a side wall provided at an outer edge of the steel base. Multiple first diamond cutter heads and multiple second diamond cutter heads are alternately arranged at the side wall through laser brazing; multiple diamond teeth protection cutter heads are uniformly distributed on an external surface of the steel base through high frequency induction brazing; a pre-plating layer is preformed at a welding surface where the side wall is welded with the first diamond cutter heads and the second diamond cutter heads; a pre-plating layer is preformed at a welding surface where the external surface of the steel base is welded with the diamond teeth protection cutter heads. The diamond cutter heads of the present invention are staggered to thicken the thickness thereof while cutting concrete pavement and other materials at high speed.

A system includes a structure configured to have a structure bonding layer disposed on a surface of the structure. The structure bonding layer is a metallic alloy. The system includes a sensor configured to have a sensor bonding layer disposed on a surface of the sensor. The sensor bonding layer is a metallic alloy. The sensor bonding layer is configured to be coupled to the structure bonding layer via a metallic joint in order for the sensor to sense data of the structure through the metallic joint, the structure bonding layer, and the sensor bonding layer.

A system includes a structure configured to have a structure bonding layer disposed on a surface of the structure. The structure bonding layer is a metallic alloy. The system includes a sensor configured to have a sensor bonding layer disposed on a surface of the sensor. The sensor bonding layer is a metallic alloy. The sensor bonding layer is configured to be coupled to the structure bonding layer via a metallic joint in order for the sensor to sense data of the structure through the metallic joint, the structure bonding layer, and the sensor bonding layer.

A heating and cooling device including: an airtight processing chamber openable to load a member-to-be-processed in the airtight processing chamber; a transfer apparatus to adjust a distance between the member-to-be-processed and a cooling unit that cools the member-to-be-processed, by moving the member-to-be-processed and/or the cooling unit; an induction heating apparatus to heat the member-to-be-processed, including a induction heating coil; a cooling apparatus to cool the member-to-be-processed by cooling the cooling unit; a temperature sensor to determine a temperature of the member-to-be-processed; and a controller to control the induction heating apparatus and the cooling apparatus based on the temperature determined by the temperature sensor.

A heating and cooling device including: an airtight processing chamber openable to load a member-to-be-processed in the airtight processing chamber; a transfer apparatus to adjust a distance between the member-to-be-processed and a cooling unit that cools the member-to-be-processed, by moving the member-to-be-processed and/or the cooling unit; an induction heating apparatus to heat the member-to-be-processed, including a induction heating coil; a cooling apparatus to cool the member-to-be-processed by cooling the cooling unit; a temperature sensor to determine a temperature of the member-to-be-processed; and a controller to control the induction heating apparatus and the cooling apparatus based on the temperature determined by the temperature sensor.

The hand-held induction air-cooled induction heater used for heating of metallic mechanical or decorative objects to facilitate their removal or installation contains a high frequency inverter operating in voltage or current resonant mode, including power semiconductor switching device(s) having turn-on or turn-off delay time, circuitry to control the timing of on and off periods of said switching device(s), the circuitry having delay time, wherein the threshold voltage or current reference to initiate commutation or timing is not zero, and is dynamically varied in response to the instantaneous input inverter supply voltage and/or inverter frequency to achieve switching device(s) heating or dissipation reduction resulting from improved commutation timing of said power switching devices.