Class / Patent application number | Description | Number of patent applications / Date published |
454139000 | Having forced recirculation | 21 |
20090042502 | Vehicle Air Purifier with a Negative and Positive Ion Generator and Air Conditioning System Using the Same - The present invention relates to a vehicle air purifier with a negative/positive ion generator and an air conditioning system using the same. The vehicle air purifier includes a case including an air inlet and an air outlet, a filter arranged in the case at the side of the air inlet, a blower fan rotatably mounted in the case, and a negative/positive ion generator arranged in an air path of at least one of the air inlet and the air outlet, to emit negative ions and positive ions to air in accordance with emission of electrons. The negative/positive ion generator includes a body fixed to the case and provided with a high-voltage generator for generating high-voltage pulses, and a first discharge electrode and a second discharge electrode electrically connected to the high-voltage generator, to generate electrons by the high-voltage pulses applied from the high-voltage generator, and to emit the electrons to the air path of the at least one of the air inlet and air outlet, thereby causing negative ions and positive ions to be generated. | 02-12-2009 |
20100056035 | Replaceable Aerator for Recreational Vehicle - A replaceable aerator for recreational vehicle mainly comprises an air bleeder cap, a metal frame under the air bleeder cap and fixed on the air vent of the ceiling and a ventilating device fixed on the metal frame. The air bleeder cap and the metal frame are connected by a hinge on one side and the air bleeder cap is pivoted about the hinge. The ventilating device has a bottom frame fixed on the metal frame. The motor shell, motor and fan blade are installed inside the bottom frame. The fan blade is fixed with the transmission shaft of the motor and is protected by a wire mesh on its periphery. The device is simple in structure, easy for use, effective in ventilation and easy in replace. | 03-04-2010 |
20110136426 | AIR FILTER ASSEMBLY OF BLOWER FOR VEHICLE - An air filter assembly of a blower for a vehicle may include an air filter casing installed in an intake duct having an outdoor air intake port communicating with the outdoor of the vehicle, an indoor air intake port communicating with the indoor of the vehicle, and a subsidiary indoor air intake port communicating with the indoor of the vehicle, wherein the subsidiary indoor air intake port is provided in the air filter casing. an air filter received in the air filter casing and purifying indoor air or outdoor air supplied into the intake duct. and an air guide integrated with an end of the air filter and selectively opening or closing the subsidiary indoor air intake port so as to guide a predetermined amount of indoor air into the intake duct during an outdoor air inlet mode. | 06-09-2011 |
20110165832 | ELECTRIC COMPARTMENT EXHAUST DUCT WITH ENHANCED AIR COOLING FEATURES - For cooling electric equipment in an electric automotive vehicle, an exhaust duct carrying exhaust air flowing from an electric compartment located behind and/or beneath a seat extends beneath the seat and exhausts into the passenger cabin. The exhaust duct has at least one air induction opening therein downstream from the electric compartment to draw auxiliary cooling air from the passenger cabin into the duct to join with the exhaust air. As exhaust air from the electric compartment passes through the exhaust duct, auxiliary cooling air is drawn into the exhaust duct through the air induction openings and mixes with the warmer air from the compartment to reduce the temperature of the air mixture exiting the exhaust duct. Air mixing features may be located inside the exhaust duct to improve mixing of the air flow from the electric compartment with the auxiliary cooling air. | 07-07-2011 |
20120214394 | VEHICLE HVAC SYSTEM WITH RAM PRESSURE CONTROL - A blower unit for a vehicle HVAC system, which is operable in one of a fresh air mode, a recirculation air mode and a mixture mode, comprises a housing defining an exterior fresh air intake aperture and an interior recirculation air intake aperture. A suction passage is in communication with both the exterior and interior air intake apertures. A first door is operably associated with the exterior air intake aperture for selectively opening and closing the exterior air intake aperture. A second door operably associated with the interior air intake aperture for selectively opening and closing the interior air intake aperture. The first and second doors are movable independent of each other. A partition is located in the suction passage for at least partially dividing the suction passage. The partition is selectively engaged by at least one of the first and second doors depending on the mode of the HVAC system. In the mixture mode, the first door is configured to control ram pressure as vehicle speed increases to maintain a predetermined airflow ratio between fresh air flowing into the housing via the exterior air intake aperture and recirculation air flowing into the housing via the interior air intake aperture. | 08-23-2012 |
20120322354 | HEAT PUMP FOR SUPPLEMENTAL HEAT - A system for providing heating and cooling to an aircraft has a single compressor for compressing and heating a fluid, a first zone and a second zone. The first zone has a first expansion valve without a condenser and a first heat exchanger removing heat from or adding heat to the first zone. The compressed fluid passes through the first zone and the first expansion valve. The second zone requires cooling and has a second expansion valve without a condenser and a second heat exchanger for removing heat from the zone. The compressed fluid passes through the second expansion valve after going through the first expansion valve and before passing through the second heat exchanger. | 12-20-2012 |
20130137355 | VEHICULAR CLIMATE SENSOR IN RECIRCULATION PATH - An HVAC unit is provided for treating air in a passenger cabin of a vehicle. An HVAC housing has a recirculation entry section, a fresh entry section, a blower section, and an output section. A blower is mounted to the blower section for driving an airflow from the HVAC housing out through the output section into the passenger cabin. A recirculation opening is provided proximate the recirculation entry section for providing at least a base recirculation flow from the passenger cabin into the HVAC housing whenever the blower drives the airflow. A climate sensor is fluidically coupled within the base recirculation flow for sensing a climate characteristic representative of the air in the passenger cabin. | 05-30-2013 |
20130303068 | FRESH AIR SYSTEM FOR HEAVY DUTY VEHICLE CAB/SLEEPER COMBINATION - Embodiments of the present disclosure are generally directed to a system for supplying fresh air to the aft compartment of a vehicle, such as a heavy-duty vehicle. The fresh air is not conditioned by heating or cooling prior to providing the fresh air to the cab. | 11-14-2013 |
20140194048 | Heating, Ventilation And/Or Air-Conditioning Apparatus Including An Air Flow Channel Bypassing A Heat Exchanger - A heating, ventilation and/or air-conditioning apparatus ( | 07-10-2014 |
20140213166 | HVAC BLOWER - The invention relates to a heating, ventilation, and air conditioning (HVAC) system for a motor vehicle, the HVAC system having a length greater than a width and disposed with the length parallel to a longitudinal axis of the motor vehicle between the front seats thereof. The HVAC system includes a blower assembly disposed beneath an instrument panel of the motor vehicle or inside an engine compartment. | 07-31-2014 |
20140335774 | CONVEX GRID SHAPE TO REDUCE TURBULENCE UNDER ROTARY DOOR - A fresh air and recirculation air switching case using a rotary door, since an introduced air flows along an inner surface of a circumferential wall of the rotary door, a convex grid is formed on an inner surface of the circumferential wall of the rotary door. In this system, the air flow directed toward a suction inlet is prevented from becoming turbulent behind the rotary door and the air flow noise can be suppressed. | 11-13-2014 |
20160016457 | Cabin Air System - A damper box includes a curved wall, an outlet, a side wall, and filter and a damper. The curved wall has an outside surface, an inside surface, and a separator sandwiched between an outside air inlet and a recirculated air inlet. The side wall is disposed between the recirculated air inlet and the outlet. The filter has a curvature matching the curved wall and covering the outside surface of the curved wall. The damper has an axis of rotation adjacent to and in alignment with the separator. The damper has a first face and a trailing edge. The first face is curved and configured to mate with a curved frame disposed about the outside air inlet. The trailing edge is configured to mate with the side wall. A ratio of outside air to recirculated air is modulated in response to the damper being rotated. | 01-21-2016 |
20160016458 | Cabin Air System - A damper box includes a curved wall, an outlet, a side wall, and filter and a damper. The curved wall has an outside surface, an inside surface, and a separator sandwiched between an outside air inlet and a recirculated air inlet. The side wall is disposed between the recirculated air inlet and the outlet. The filter has a curvature matching the curved wall and covering the outside surface of the curved wall. The damper has an axis of rotation adjacent to and in alignment with the separator. The damper has a first face and a trailing edge. The first face is curved and configured to mate with a curved frame disposed about the outside air inlet. The trailing edge is configured to mate with the side wall. A ratio of outside air to recirculated air is modulated in response to the damper being rotated. | 01-21-2016 |
20160082809 | VEHICLE HVAC SYSTEM WITH CABIN VENTILATION WHILE PARKED - A heating, ventilation, and air-conditioning (HVAC) system includes a blower, a fresh-air valve, a bypass duct, and a bypass valve. The blower is configured to urge air to flow from an inlet to an outlet of the blower. The fresh-air valve is operable to provide a mixture of air drawn from an outside-air duct and a recirculated-air duct to the inlet. The fresh-air valve is operable to a recirculate position where the outside-air duct is substantially blocked from communicating with the inlet. The bypass duct is configured to couple the outlet to the outside-air duct. The bypass valve is located in the bypass duct and is operable to a closed position and an open position. The cabin is ventilated when the fresh-air valve is in the recirculate position, the bypass valve is in the open position, and the blower is operated to blow air out of the outside-air duct. | 03-24-2016 |
20160144688 | AIR INTRODUCING APPARATUS OF HAVC SYSTEM FOR VEHICLE - An air introducing intake of an HVAC system for a vehicle includes an intake case having a first outdoor air introducing hole and a second outdoor air introducing hole formed thereon and a partition part partitioning an inner space into a plurality of spaces. A first indoor and outdoor air door rotates by a first rotation shaft and selectively opens or closes a first indoor air introducing hole and the first outdoor air introducing hole. A second indoor and outdoor air door rotates by a second rotation shaft and selectively opens or closes a second indoor air introducing hole and the second outdoor air introducing hole. An actuator operates the first indoor and outdoor air door and the second indoor and outdoor air door by rotating the first rotation shaft and the second rotation shaft. | 05-26-2016 |
20160152113 | DOOR STRUCTURE FOR AIR CONDITIONER OF VEHICLE | 06-02-2016 |
454140000 | Forced recirculation alone or agitating fan | 5 |
20100048118 | HVAC System for a Work Vehicle - An HVAC system for work vehicle having an operator compartment for an operator is disclosed. The HVAC system includes a pressurizer blower and an air-conditioning system coupled to an electronic circuit. The electronic circuit is configured to reduce the output of the pressurizer blower when the operator selects a high output from the air-conditioning system. The HVAC system is also configured to provide defog operation in both a manual mode and an automatic mode of operation. The HVAC system is configured to reset the defog operation when the vehicle ignition is turned off or turned back on. The HVAC system is also configured not to reset the defog operation when the operator switches rapidly between the automatic mode and the manual mode of operation. | 02-25-2010 |
20100248605 | INTEGRATED BLOWER GRID - An apparatus for a heating, ventilating and air conditioning (HVAC) system may employ a blower case that houses a fan and a motor to drive the fan, an air intake case that houses an air filter, a grill that contacts and supports the filter, a fresh air intake and a recirculation air intake. The grill may be located directly over the fan to protect the fan and motor from debris. The air intake case may employ a fresh air inlet and a recirculation air inlet such that air entering either may have an airflow path through the HVAC system in the order of: the fresh air intake, the filter, the grill, the fan, and the blower case. An intermediate grill panel and the grill may be integrally molded together as one single piece to improve NVH, reduce overall part count and save manufacturing time. | 09-30-2010 |
20120108156 | Utility Vehicle Ventilation System - A utility vehicle ( | 05-03-2012 |
20140256244 | AIR CONDITIONING DEVICE FOR VEHICLE - An air conditioning device for a vehicle, comprising an intake portion that is provided at a cabin side at a vehicle ceiling portion, and that takes-in air; a blow-out portion that is provided at the cabin side at the vehicle ceiling portion, and that blows out, into the cabin, air that has been taken-in from the intake portion; and a blower device that is provided at the vehicle ceiling portion and that, by operating, blows air from the intake portion toward the blow-out portion, the blower device being disposed at a vehicle front-rear direction rear side of a bulging portion that bulges toward the cabin side and that accommodates a sunroof that opens and closes a roof opening portion that is formed in the vehicle ceiling portion. | 09-11-2014 |
20150290998 | SYSTEMS AND METHODS FOR CONDITIONING AN ENVIRONMENT - Systems and methods for providing conditioning to a space within an environment are provided. Such a system may include a solid boundary, at least one air supply aperture configured to direct a conditioned airflow towards the solid boundary, and at least one air return aperture configured to receive a return airflow. At least one of the conditioned airflow or the return airflow may create an air boundary, such that the air boundary and the solid boundary define the space within the environment. At least a portion of the conditioned airflow may enter the space, and at least a portion of the return airflow may exit the space, thereby conditioning the space. | 10-15-2015 |