A pressure support system for delivering a flow of breathing gas to an airway of a patient includes a base unit structured to generate the flow of breathing gas and including a heating control unit, a conduit coupled to the base unit and structured to carry the flow of breathing gas, a thermistor disposed in the conduit, and first and second resistive wires extending along the conduit from the base unit to the thermistor. The heating control unit is structured to selectively operate in a first mode to heat the conduit using the first and second resistive wires and a second mode to sense a temperature of airflow in the conduit with the thermistor via the first and second resistive wires.

Method for cooling a heating element of an electric heater in a thermal process cycle comprising the steps of cooling the heating element at a first cooling rate from a first temperature to a second temperature and cooling the heating element at a second cooling rate from the second temperature to a third temperature, wherein the second cooling rate is faster than the first cooling rate.

Method for cooling a heating element of an electric heater in a thermal process cycle comprising the steps of cooling the heating element at a first cooling rate from a first temperature to a second temperature and cooling the heating element at a second cooling rate from the second temperature to a third temperature, wherein the second cooling rate is faster than the first cooling rate.

A method for coating a surface with a coating jet containing coating particles includes forming the coating jet from at least two partial jets. The method also includes forming one of the exit channels as a spray channel for a first gas stream containing the coating particles. The method also includes forming the other of the exit channels as a control channel. In case of a deviation of the ascertained spray angle (α) from the predetermined target spray angle, the method also includes increasing the volume flow of a first partial jet of the at least two partial jets, and decreasing the volume flow of a second partial jet of the at least two partial jets.

The invention discloses a heating device for an electronic cigarette and an electronic cigarette. The heating device comprises a substrate and a control board and a heat generating unit mounted on the substrate, wherein the control board is provided with an avoidance hole and two inserting holes, the heat generating unit is provided with two conductive pins, one end of the heat generating unit is inserted into the avoidance hole, so that the heat generating unit is pre-mounted on the control board; and the two conductive pins are inserted into the two inserting holes, respectively, so that the control board and the heat generating unit establish an electrical connection. The technical solution of the invention is effective for facilitating the user to assemble.

The invention discloses a heating device for an electronic cigarette and an electronic cigarette. The heating device comprises a substrate and a control board and a heat generating unit mounted on the substrate, wherein the control board is provided with an avoidance hole and two inserting holes, the heat generating unit is provided with two conductive pins, one end of the heat generating unit is inserted into the avoidance hole, so that the heat generating unit is pre-mounted on the control board; and the two conductive pins are inserted into the two inserting holes, respectively, so that the control board and the heat generating unit establish an electrical connection. The technical solution of the invention is effective for facilitating the user to assemble.

The invention discloses a heating device and an electronic cigarette applying the heating device. The electronic cigarette comprises a battery component, the battery component is provided with a installing chamber having an opening, the heating device comprises a heating base and a hollow sleeve, the sleeve is detachably mounted on the heating base and encircles receiving space for receiving the tobacco product together with the heating base, when the heating device is mounted in the installing chamber, the heating base is electrically connected to the battery component, and the battery component drives the heating base to heat the tobacco product received in the receiving space. The technical solution of the invention is effective for facilitating the user to clean the heating device.

The invention discloses a heating device and an electronic cigarette applying the heating device. The electronic cigarette comprises a battery component, the battery component is provided with a installing chamber having an opening, the heating device comprises a heating base and a hollow sleeve, the sleeve is detachably mounted on the heating base and encircles receiving space for receiving the tobacco product together with the heating base, when the heating device is mounted in the installing chamber, the heating base is electrically connected to the battery component, and the battery component drives the heating base to heat the tobacco product received in the receiving space. The technical solution of the invention is effective for facilitating the user to clean the heating device.

Systems and methods for a printed circuit board assembly comprising a thermoelectric device at least partially embedded within the printed circuit board assembly are provided. The thermoelectric device is configured to adjust a temperature of the printed circuit board assembly based on the measurements of one or more sensors coupled to the printed circuit board assembly. Additionally, a control circuit is coupled to the at least one thermoelectric device and the one or more sensors, wherein the control circuit is configured to control the at least one thermoelectric device, and wherein the control circuit is configured to monitor a temperature set point at one or more target locations in the printed circuit board assembly.

According to examples, an apparatus may include a processor that may identify a first period for a heated system, the first period including a first set of power events and a first zero power event for the heated system and may identify a second period for the heated system, the second period including a second set of power events and a second zero power event for the heated system. The processor may also borrow, from the second period, a portion of a second power event of the second set of power events and may apply the borrowed portion of the second power event to a first power event of the first set of power events during the first period to remove the first zero power event from the first period.