Abstract: A noise reduction structure between a power source and a fixing plate includes: a buffer member having a first opening through upper and lower faces of a body, upper lower portions of the buffer member respectively extending transversely to form upper and lower portion extensions with a gap therebetween; a rigid support portion includes an upper plate block having a second opening, a lower plate block having a third opening, and a stop block connecting the upper plate block and the lower plate block, the buffer member being embedded and engaged between the upper and lower plate blocks; a connecting member having a free end provided with an engagement portion engaged within the gap and a fixing end connected onto the fixing plate; and a fixing rod running through the power source, connecting and fixing the support portion and the power source, being separated from the fixing plate.

Abstract: Disclosed is a structure for reducing noise of a ventilating fan. The structure includes an orifice plate fixed on a scroll casing and is shaped to be an annular and semi-surrounding hollow structure in order to match with the shape of an air inlet of the scroll casing, and to cover only the air inlet of the scroll casing. The noise generated by an air blower of the ventilating fan can be directed along a bell mouth of the scroll casing of the ventilating fan after being emitted from the air inlet of the scroll casing, and then can be smoothly sucked by the orifice plate. The sucked-in noise can repeatedly collide with the orifice plate and be diffused, thereby the energy being gradually weakened and the sound pressure thereof being decreased.

Abstract: A ventilation fan mounting structure includes a bracket assembly which is to be mounted to opposite two side flanges of a ventilation fan and includes a first bracket and a second bracket each formed in a U shape, wherein each of the first bracket and the second bracket includes two side members and a connection member connecting the two side members, the connection members and the side members of the first and second brackets are connected to each other by shafts, the side members are rotatable around the shafts, and a position-limit portion is disposed to the connection member to limit a rotation range of the side member. With the ventilation fan mounting structure according to the embodiments of the present invention, the mounting of the ventilation fan can be simply and conveniently completed even if the distance between the ceiling and the roof is small.

Abstract: A heating and ventilating fan including a frame, a motor with fan blades, a casing, a heating device, and an air path switching plate disposed at an air outlet of the casing for switching outlets of the ventilating fan and a timing motor. The timing motor and the air path switching plate are fixed on either side of a frame wall. The air path switching plate is connected to the timing motor shaft through a connection part, and controls the air path switching plate to rotate by a constant angle in a single direction. A spring having a first end fixed to the frame wall, and a second end rotating synchronously with the air path switching plate controls the air path switching plate to rotate in an opposite direction to the single direction. When the timing motor is switched off, the spring returns the air path switching plate to its rest position.

Abstract: A ventilating fan for heating, includes a main body frame provided with an opening, a fan casing provided with a fan therein, a heater assembly fixed at an air outlet of the fan casing and a thermostat for detecting an indoor temperature, and the thermostat is embedded in an air-passageway wall.

Abstract: A ventilating fan, includes a frame provided with an opening, a fan disposed in the frame, a panel covering the opening of the frame and allowing air passing through and a lighting device disposed in the panel. The lighting device includes a lampshade, in which a lighting part is placed, and a circuitry box of a controller for controlling the lighting part. A gap is formed in a connection between the circuitry box and the panel such that a water discharge structure communicated with outside of the circuitry box is formed. Advantages of the present invention includes that a gap communicated with outside of the circuitry box is provided in a connection between the circuitry box and the panel, which allows water to be discharged through the gap from inside of the panel, even water would enter into inside of the circuitry box, thus safety operation of the product is ensured.

Abstract: A ventilating fan comprises a ventilating fan body, a ventilating fan mounting member, and a power supply case. A power supply wire disposed in the ventilating fan body to be connected to a blower is provided with an internal terminal at a leading end of the power supply wire. The power supply case projects from the power supply opening to be located outside the cylinder of the ventilating fan mounting member, and is fixed to the ventilating fan mounting member from the indoor side. An external terminal is mounted on an indoor side of the power supply case. An external electric wire for supplying electric power to the ventilating fan is connected with the external terminal in the power supply case, and the internal terminal is connected with the external terminal, so that the connection operation becomes simpler.

Abstract: A ventilation fan with illumination includes a housing, a fan, and lighting equipment in the housing. The housing includes a first opening communicating with an air outlet, the first opening communicating with a duct, and a second opening that communicates with an interior space, The lighting equipment includes a light, a cover in the housing that surrounds the light periphery, the cover reflecting light and transmitting the light into the space through the second opening, and a restrictor that restricts passage of air between the light periphery and the lighting cover. An air intake gap is provided between a lower end of the cover and an edge of the second opening and introduced through the second opening and the air intake gap, is discharged through the first opening into the duct, the edge of the second opening being located below the lower end of the cover.

Abstract: A lighting device for a ventilating fan comprising a power pack module and a light-emitting module composed of a lighting louver and a radiator, wherein first positioning lugs projected out of a horizontal projection plane of the power pack module are formed on the top of the power pack module and fixed on the light-emitting module by screws; and a through hole which a cable, used for supplying power for a light-emitting unit, runs through is respectively formed on a side face of the radiator making contact with the power pack module and a side face of the power pack module making contact with the radiator. The lighting device for the ventilating fan further comprises hooks formed on the radiator and a second positioning lug formed on the power pack module, wherein the hooks and the second positioning lug are used for fixing the lighting device on the ventilating fan.

Abstract: An air exchange fan, includes: a frame provided with an opening, a helicoid housing with an air suction inlet disposed in the frame, an air blower disposed in the helicoid housing, and, a circuit board box mounted at the air suction inlet side, wherein a silencing plate is mounted above the outer peripheral of the air suction inlet, the silencing plate has a streamlining structure formed by outwardly expanding from the air suction inlet in an axial direction of a rotation axis of the air blower, the rotation axis of which serving as the center, within a range that is from a tongue of the helicoid housing to a location with a 90 degrees angled from the tongue in a direction opposing to the rotation direction of the air blower, and the silencing plate has a curved chamfered shape which mates with the peripheral shape of the air suction inlet.

Abstract: A ventilation fan with illumination includes a housing, a fan, and lighting equipment in the housing. The housing includes a first opening connected to an air outlet, the first opening communicating with a duct, and a second opening that communicates with an interior space, The lighting equipment includes a light, a cover in the housing that surrounds the light periphery, the cover reflecting light and transmitting the light into the space through the second opening, and a restrictor that restricts passage of air between the light periphery and the lighting cover. An air intake gap is provided between a lower end of the cover and an edge of the second opening and introduced through the second opening and the air intake gap, is discharged through the first opening into the duct, the edge of the second opening being located below the lower end of the cover.

Abstract: Disclosed is a fixing structure for ventilator cover spring, comprising a fixing component, a connector, a movable part, and a cover spring. The fixing component is a U-shaped protrusion formed on a cover and has a top wall and two leg walls, a first opening and a second opening are respectively formed in the two leg walls. Two cuts are formed at two ends of the connector, wherein each cut is provided with a tongue, the connector being inserted through and fixed in the first opening and the second opening. The movable part has a head portion and a foot portion, wherein the head portion is fixed on the connector, and the foot portion extends toward the top wall. The cover spring is fitted over the foot portion and is confined on the foot portion.

Abstract: A ventilation device comprises: a body, a fan disposed In the body, and an adapter connected with an air outlet of the body. Two or more pipe coupling parts are disposed in sequence from a side of an air Inlet of the adapter to a side of an air outlet of the adapter, and each pipe coupling part is provided with a protruding circular ring with a diameter larger than that of the respective pipe coupling part at a root thereof. An air guide structure Is disposed in the adapter, a pipe is fitted over the pipe coupling part and Is abutted against the protruding circular ring located at the root to be fixed, and the air guide structure Is engaged to an inside of the protruding circular ring of the adapter.

Abstract: A ventilating fan for heating, includes a main body frame provided with an opening, a fan casing provided with a fan therein, a heater assembly fixed at an air outlet of the fan casing and a thermostat for detecting an indoor temperature, and the thermostat is embedded in an air-passageway wall.

Abstract: A ceiling mounted ventilation fan with illumination capable of suppressing conduction of noise to inside of a room is provided. In the fan, a restriction member is provided for restricting passage of air between a lighting cover and a periphery of a lighting part, the lighting cover having a reflecting surface for reflecting light from the lighting part to lead the light to the inside of the room. A gap for air intake is formed between a lower end of the lighting cover and an edge of the indoor-side opening. Thus, air introduced into the main housing through the gap is discharged into the duct by the fan unit and conduction of noises produced by the fan unit to the room inside with the noise directivity enhanced in the lighting cover can be suppressed by the restriction member, so that conduction of noise to the room inside can be suppressed.

Abstract: Disclosed is a mounting bracket assembly for a ventilating fan including a first bracket, a second bracket, and a bracket fixing member, the first bracket is provided with a U-shaped groove and is provided at an end thereof with a first supporting leg folded into an L-shaped; the second bracket is provided with a U-shaped groove and is provided at an end thereof with a second supporting leg folded into an L-shaped, and a root portion of the second supporting leg is provided at two sides thereof with slots; the second bracket is engaged into the U-shaped groove of the first bracket and can be slid in the U-shaped groove of the first bracket to adjust the length of the bracket assembly; the bracket fixing member is provided with a C-shaped groove; the first bracket is engaged and inserted into the C-shaped groove and can be slidable in the C-shaped groove; the bracket fixing member fixes the first bracket and the second bracket combined together to a ventilating fan body by engagement of the C-shaped groove wit

Abstract: Ventilation device is mounted on inner wall in wind tunnel communicating between indoor and outdoor sides, having a ventilation louver. The ventilation louver includes a louver frame and a movable louver. Horizontal distance from position of gravity center of the movable louver to the inner wall is greater than horizontal distance from the movable louver shaft to the inner wall. A lever is disposed at a lower part of the louver frame to move in a left-right direction along bottom end face of the lower part of the louver frame. A connection element is provided to connect the movable louver with the lever between the movable louver and the louver frame, which is configured to be a slidable structure in the up-down direction, and transform the movement in the left-right direction of the lever to opening and closing movement of the movable louver around the movable louver shaft.

Abstract: A heating and ventilating fan including a frame, a motor with fan blades, a casing, a heating device, and an air path switching plate disposed at an air outlet of the casing for switching outlets of the ventilating fan and a timing motor. The timing motor and the air path switching plate are fixed on either side of a frame wall. The air path switching plate is connected to the timing motor shaft through a connection part, and controls the air path switching plate to rotate by a constant angle in a single direction. A spring having a first end fixed to the frame wall, and a second end rotating synchronously with the air path switching plate controls the air path switching plate to rotate in an opposite direction to the single direction. When the timing motor is switched off, the spring returns the air path switching plate to its rest position.

Abstract: A ventilation fan with illumination includes a housing, a fan, and lighting equipment in the housing. The housing includes a first opening connected to an air outlet, the first opening communicating with a duct, and a second opening that communicates with an interior space, The lighting equipment includes a light, a cover in the housing that surrounds the light periphery, the cover reflecting light and transmitting the light into the space through the second opening, and a restrictor that restricts passage of air between the light periphery and the lighting cover. An air intake gap is provided between a lower end of the cover and an edge of the second opening and introduced through the second opening and the air intake gap, is discharged through the first opening into the duct, the edge of the second opening being located below the lower end of the cover.

Abstract: An assembly of pipe hood and pipe unit for a ventilating fan, comprising a front cover, a rear cover and a pipe unit, characterized in that: a baffle is vertically provided in the pipe unit to divide the pipe into an air inlet pipe and an air outlet pipe on the left and right sides respectively; a partition plate is vertically provided in the rear cover corresponding to the baffle to divide the space enclosed by the front cover and the rear cover into an air inlet side and an air outlet side on the left and right sides respectively; an external air inlet opening and an external air outlet opening are provided on the outer side of the rear cover on the left and right sides respectively; an internal air inlet opening and an internal air outlet opening are provided on the inner side of the rear cover on the left and right sides respectively; an air inlet passage and an air outlet passage are formed in parallel to each other on the left and right sides respectively.