Patent application number | Description | Published |
20090013700 | Refrigerating air conditioning system, method of controlling operation of refrigerating air conditioning system, and method of controlling amount of refrigerant in refrigerating air conditioning system - In a refrigerating air conditioning system using refrigerant such as CO | 01-15-2009 |
20090145151 | AIR CONDITIONER - An air conditioner including an outdoor unit, indoor units, and a relay device for connection between the outdoor unit and each of the indoor units. The outdoor unit includes an outdoor heat exchanger, a compressor for pressurizing a refrigerant of or including carbon dioxide, and a first switching member for switching flow direction of the refrigerant through the outdoor heat exchanger. Each of the indoor units includes an indoor heat exchanger and first flow controller in fluid communication between first and second pipe connection ports. The relay device includes second switching members, each of the second switching members selectively connecting the first pipe connection port of a respective indoor unit with the first or second connection end of the outdoor unit. | 06-11-2009 |
20090161778 | Transmitter and Carrier Leak Detection Method - It is intended to compensate for a carrier leak for any carrier arrangement. There are provided a carrier leak compensating means | 06-25-2009 |
20100039402 | INFORMATION PROCESSING APPARATUS - An information processing apparatus includes a display control unit that causes a display unit having a display screen to perform information display; a switching unit that performs switching between a touch input enable state, in which predetermined processing is performed in response to touch input, and a touch input disable state, in which the predetermined processing is not performed even when touch input is detected; and a detector that is disposed at a position different from a position of the touch position detector and that performs predetermined detection. The display unit can be switched between an inactive state and an active state. The switching unit includes a first controller that sets the touch input disable state when the display unit enters the inactive state, and a second controller that performs switching to the touch input enable state in accordance with the result of the predetermined detection. | 02-18-2010 |
20100046514 | MULTICAST COMMUNICATION SYSTEM AND METHOD - The present invention aims to realize a system and method of reliably performing multicast communication via a bandwidth-guaranteed network, and provides a multicast communication system for performing multicast communication via a bandwidth-guaranteed network, the system including: a multicast proxy response device added with a group address destination identifier; and a multicast client, wherein the multicast proxy response device transmits a session connection request to the group address destination identifier of the multicast proxy response device when starting reception, the multicast proxy response device which has received said session connection request transmits a session connection response to said multicast client, and the multicast client receives multicast data through a bandwidth secured in the bandwidth-guaranteed network by the session connection response. | 02-25-2010 |
20100170295 | REFRIGERATION CYCLE DEVICE - In order to provide a refrigeration cycle device that is compact and efficiently utilizing an expansion machine and reduced in manufacturing cost through the use of a first compressor and second compressor driven by an expansion machine, a heat radiator and an on-off valve are disposed between the first and the second compressors and the second heat radiator is utilized irrespective of the operating mode such as the cooling or heating operation. Also, the heat transfer area ratio, which is a ratio of the heat transfer area of the second heat source side heat exchanger relative to the total heat transfer area of the heat transfer areas of said first and second heat source side heat exchangers, is set, according to the air speed distribution, within a range at which the COP is at its peak. Thus, the second heat source side heat exchanger can be utilized even during the heating operation, providing a high efficiency refrigeration cycle device. | 07-08-2010 |
20100205987 | REFRIGERATION CYCLE APPARATUS - A refrigerant cycle apparatus comprising: | 08-19-2010 |
20110067421 | VENTILATION AND AIR CONDITIONING APPARATUS FOR VEHICLE - A ventilation and air conditioning apparatus for a vehicle includes: a ventilator that sucks air from outside the vehicle; an air conditioner that conditions air inside the vehicle; a duct for fresh outside air that connects the ventilator with the air conditioner so as to supply the air that the ventilator has sucked from outside the vehicle to the air conditioner; and a duct for conditioned air that supplies the conditioned air blown out from the air conditioner to inside the vehicle. The duct for fresh outside air is branched so as to be connected to the duct for conditioned air. With this configuration, even if the operation of the air conditioner is stopped due to, e.g., a leakage of a flammable refrigerant, an amount of ventilation can be secured in the vehicle. | 03-24-2011 |
20110079042 | NON-AZEOTROPIC REFRIGERANT MIXTURE AND REFRIGERATION CYCLE APPARATUS - Disclosed is a non-azeotropic refrigerant mixture containing tetrafluoropropane as a high-boiling refrigerant and a refrigeration cycle apparatus in which a non-azeotropic refrigerant mixture containing tetrafluoropropane as a high-boiling refrigerant circulates through a refrigeration cycle so as to avoid occurrence of negative pressure in a low-pressure circuit. | 04-07-2011 |
20110088421 | AIR CONDITIONING APPARATUS - A heat source-side refrigerant circuit A including a compressor | 04-21-2011 |
20110113802 | AIR CONDITIONER - A multi-chamber air conditioner including a heat-source side refrigerant circuit in which a compressor, an outdoor heat exchanger, a first heat exchanger, a refrigerant flow-rate controller, and a second heat exchanger are connected in series, a first use-side refrigerant circuit in which the first heat exchanger and an indoor heat exchanger are connected in series, and a second use-side refrigerant circuit in which the second heat exchanger and the indoor heat exchanger are connected in series, and a heat-source side refrigerant circulating in the heat-source side refrigerant circuit and a use-side refrigerant circulating in the use-side refrigerant circuit are heat-exchanged in the first heat exchanger. The heat-source side refrigerant circulating in the heat-source side refrigerant circuit and the use-side refrigerant circulating in the use-side refrigerant circuit are heat-exchanged in the second heat exchanger. | 05-19-2011 |
20110192184 | AIR-CONDITIONING APPARATUS AND RELAY UNIT - To obtain an air-conditioner apparatus that can achieve energy-saving without making refrigerant circulate up to an indoor unit and whose construction work is easy. A refrigeration cycle is configured by connecting a compressor, a four-way valve, a heat source side heat exchanger, expansion valves, and intermediate heat exchangers by piping. A heat medium circulation circuit is configured by connecting intermediate heat exchangers, pumps, and use side heat exchangers by piping. The outdoor unit that is installed in a space such as outdoors of the building and accommodates the compressor, the four-way valve, and the heat source side heat exchanger, and the relay unit that is installed in a non-subject space which is different from an indoor space and is on a installation floor separated by two or more floors and accommodates the expansion valves, the pump, and intermediate heat exchangers are connected by two pipelines. The relay unit and an indoor unit that accommodates use side heat exchangers and is installed at a position where an indoor space can be air-conditioned are connected by two pipelines from outside of the wall which is a partition between inside and outside of the room. | 08-11-2011 |
20110197608 | AIR-CONDITIONING APPARATUS - A refrigeration cycle is configured by connecting a compressor that compresses the refrigerant, a four-way valve that switches the circulation path of the refrigerant, a heat source side heat exchanger that exchanges heat, expansion valves that adjust the pressure of the refrigerant, and two or more intermediate heat exchangers that exchange heat between the refrigerant and the heat medium to heat and cool the heat medium, by piping. A heat medium circulation circuit is configured by connecting two or more intermediate heat exchangers, pumps that pressurize the heat medium, two or more use side heat exchangers that exchange heat between the heat medium and the air in the indoor space, and flow path switching valves that switch paths of the heated heat medium or the cooled heat medium to the use side heat exchangers, by piping. | 08-18-2011 |
20110203309 | REFRIGERATING CYCLE APPARATUS - To obtain a refrigerating cycle apparatus that reduces a pressure loss at the time of a normal operation in which an ejector is bypassed to improve refrigeration cycle performance. A second throttle apparatus is installed on piping path between the outlet of a condenser, which is a radiator, and the outlet of a first throttle device. A check valve is installed on piping path between a gas refrigerant suction section of the ejector and the outlet of the ejector. | 08-25-2011 |
20110225998 | AIR-CONDITIONING APPARATUS - To obtain an air-conditioning apparatus that does not make a refrigerant circulate up to an indoor unit and further can achieve energy-saving. A refrigeration cycle is configured by connecting a compressor that pressurizes a refrigerant, a four-way valve that switches a circulation path of the refrigerant, a heat source side heat exchanger that performs heat exchange, expansion valves for pressure-adjusting the refrigerant, and a plurality of intermediate heat exchangers that performs heat exchange between the refrigerant and the heat medium to heat and cool the heat medium, with piping. A heat medium circuit is configured by connecting intermediate heat exchangers, pumps that pressurize the heat medium, and a plurality of use side heat exchangers that perform heat exchange between the heat medium and the air in the indoor space, with piping. | 09-22-2011 |
20120060548 | REFRIGERATION CYCLE APPARATUS - A refrigeration cycle apparatus which is capable of performing matching of the volumetric flow rate without performing pre-expansion it obtained. A refrigeration circuit includes a compression unit including a main compressor and a second compressor, a gas cooler, an expansion mechanism, and an evaporator interconnected with pipes, and a sub-compression mechanism driven by power recovered by the expansion mechanism, a suction side of the sub-compression mechanism is connected to a compression process of the compression unit, a discharge side of the sub-compression mechanism is connected to an inlet side of the gas cooler, and flow rate of refrigerant flowing into the sub-compression mechanism is controlled. | 03-15-2012 |
20120180510 | HEAT PUMP APPARATUS - In a heat pump apparatus, switching between high efficiency operation, being efficient, and high capacity operation, having high capacity, is performed according to the state of the load. There are provided a main refrigerant circuit that uses an ejector, a first sub-refrigerant circuit that connects a portion between a heat exchanger and an ejector to a portion between a gas-liquid separator and a heat exchanger, and a second sub-refrigerant circuit that connects a portion between the heat exchanger and the ejector to an injection pipe of a compressor. When the load is about medium, refrigerant is circulated in the main refrigerant circuit to perform an efficient ejector aided operation utilizing the ejector. When the load is large, a high capacity injection operation is performed by flowing refrigerant to the second sub-refrigerant circuit. When the load is small, a simple bypass operation which prevents degradation of efficiency is performed by flowing refrigerant to the first sub-refrigerant circuit. | 07-19-2012 |
20120291468 | AIR CONDITIONING SYSTEM AND CONTROL METHOD OF AIR CONDITIONING SYSTEM - It is intended to realize an air conditioning system of high operational efficiency without reducing the user's comfort. In an air conditioning system | 11-22-2012 |
20130042640 | REFRIGERATION CYCLE APPARATUS AND REFRIGERANT CIRCULATION METHOD - An internal heat exchanger and a first flow control valve are connected in series between a condenser and a refrigerant inlet of an ejector. A gas refrigerant outlet of a gas-liquid separator is connected to a suction port of a compressor. A first bypass circuit connects a refrigerant outlet of the condenser to an intermediate pressure portion of the compressor via a second flow control valve and the internal heat exchanger. A second bypass circuit connects a refrigerant outlet of the internal heat exchanger to the liquid refrigerant outlet of the gas-liquid separator via a third flow control valve. While the second flow control valve is opened such that the refrigerant flows through the first bypass circuit, the fourth flow control valve is switched to be opened or closed, and the third flow control valve is switched to be closed or opened. | 02-21-2013 |
20130169578 | INFORMATION PROCESSING APPARATUS - An information processing apparatus includes a display control unit that causes a display unit having a display screen to perform information display; a switching unit that performs switching between a touch input enable state, in which predetermined processing is performed in response to touch input, and a touch input disable state, in which the predetermined processing is not performed even when touch input is detected; and a detector that is disposed at a position different from a position of the touch position detector and that performs predetermined detection. The display unit can be switched between an inactive state and an active state. The switching unit includes a first controller that sets the touch input disable state when the display unit enters the inactive state, and a second controller that performs switching to the touch input enable state in accordance with the result of the predetermined detection. | 07-04-2013 |
20130213614 | Air-Conditioning Apparatus and Configuration of Installation of Same - An air-conditioning apparatus includes a body casing of an indoor unit formed in a substantially rectangular parallelepiped shape. The body casing is formed with a body inlet port on a body bottom, and a body outlet port is formed in each body side. The body casing houses a centrifugal fan, a fan motor rotatably driving the centrifugal fan, and an indoor heat exchanger disposed so as to surround an outer periphery of the centrifugal fan in planar view. In each of the body outlet port, a joint is protrudingly provided with a body-side duct connecting portion that connects a duct thereto. Further, outlet ports are formed. The air-conditioning apparatus includes a plurality of outlet units each protrudingly provided with an outlet-side duct connecting portion that connects the duct thereto. Furthermore, at least one of the joints is formed with a plurality of the body-side duct connecting portions. | 08-22-2013 |
20130214504 | TORSION BEAM TYPE SUSPENSION DEVICE - A torsion beam type suspension device is provided in which a trailing arm part and a torsion beam part are formed as a unit by press-forming a tailored blank material in which end parts of plate materials having different thicknesses are butt-welded via a weld part. A weld part of the tailored blank material comprises a U-shaped cross section in which front and rear side wall portions are connected via a bottom wall portion, and a pair of cutouts are formed at the edge of each of the side wall portions at positions sandwiching the weld part, and therefore, when the torsion beam part is twistedly deformed, shifting the concentration of stress from the weld part to the cutout enables peeling apart of the weld end part to be prevented and the durability of the torsion beam type suspension device to be enhanced. | 08-22-2013 |
20140196483 | HEAT PUMP APPARATUS AND METHOD OF CONTROLLING HEAT PUMP APPARATUS - In a heat pump apparatus of an indirect type including a primary circuit on a heat source side and a secondary circuit on a load side, a refrigerant in the primary circuit is prevented from leaking through the secondary circuit. | 07-17-2014 |
20150053384 | HEAT EXCHANGER HEADER, HEAT EXCHANGER HAVING THE HEAT EXCHANGER HEADER, REFRIGERATION CYCLE APPARATUS AND AIR-CONDITIONING APPARATUS - A heat exchanger header for a heat exchanger in which refrigerant is flowed in parallel through a plurality of flat tubes disposed in parallel includes a header main body in which a plurality of through-holes are arranged side by side in a longitudinal direction, and a lid body that is joined to the header main body. At least one chamber communicating with the plurality of through-holes and serving as a refrigerant flow passage is formed between the header main body and the lid body. Each of the plurality of through-holes is an inlet side through-hole or an outlet side through-hole to which a refrigerant inlet side end or a refrigerant outlet side end of the plurality of flat tubes is connected. In a part of the lid body that faces the inlet side through-holes, a plurality of grooves are formed in a lateral direction perpendicular to the longitudinal direction. | 02-26-2015 |
20150059400 | HEAT EXCHANGER, INDOOR UNIT, AND REFRIGERATION CYCLE APPARATUS - The heat exchanger includes heat exchange units. Each of the heat exchange units includes a plurality of plate fins and a plurality of flat tubes. The plate fins are arranged spaced apart from one another at intervals so as to allow air to flow therebetween. The flat tubes each have an L shape by bending and inserted through the plate fins so that a refrigerant flows therethrough in a direction in which the plate fins are arranged. The heat exchange units are combined to each other so as to form a rectangular shape. Thus, heat exchange can be efficiently performed by increasing the mounting area. | 03-05-2015 |
20150059401 | HEAT EXCHANGER, REFRIGERATION CYCLE APPARATUS INCLUDING HEAT EXCHANGER AND AIR-CONDITIONING APPARATUS - A heat exchanger includes a plurality of heat exchange units each including a plurality of fins arranged at intervals such that air passes between adjacent fins and a plurality of heat transfer tubes through which a refrigerant flows. The heat transfer tubes extend through the fins in a direction of arrangement of the fins. The heat transfer tubes are arranged at multiple levels in a level direction perpendicular to an air passing direction. The heat exchange units are arranged in multiple rows in a row direction, serving as the air passing direction. The heat exchanger further includes a row straddling header. Refrigerant passages are provided such that the refrigerant flowing from inlets of the refrigerant passages turns in the row straddling header to outlets of the refrigerant passages. The row straddling header has an interior separated into a plurality of chambers arranged in the level direction. The refrigerant passage is isolated for its corresponding chamber. | 03-05-2015 |
20150068244 | HEAT EXCHANGER AND AIR-CONDITIONING APPARATUS - A plate fin includes a slit structure formed by cutting and raising a portion of the plate fin to form an opening facing a flow direction of a fluid and a waffle structure formed by bending a portion of the plate fin to form a protrusion having an angle-shaped cross section which protrudes in a stack direction and having a ridge substantially perpendicular to the air flow direction, and the waffle structure is disposed on the upstream side on the plate fins with respect to the slit structure and a slant length L1 on the upstream side of the waffle structure is smaller than a slant length L2 on the downstream side of the waffle structure. | 03-12-2015 |
20150075213 | HEAT EXCHANGER, METHOD FOR FABRICATING HEAT EXCHANGER, AND AIR-CONDITIONING APPARATUS - Plate-like fins have notches longer than a longitudinal axis of flat tubes that are placed in the notches. The plate-like fins also have bend portions that are located on projections projecting toward the edges more than the ends of the flat tubes, are formed by bending part of the plate-like fins, erect in a stacking direction in which the plate-like fins are stacked, and are in contact with adjacent ones of the plate-like fins. The height of the bend portions in the stacking direction is the length of a predetermined spacing. | 03-19-2015 |
20150083379 | PLATE HEAT EXCHANGER AND REFRIGERATION CYCLE SYSTEM INCLUDING THE SAME - Provided is a heat exchanger capable of enhancing long-term reliability of the device through prevention of leakage of a fluid while being excellent in heat exchange efficiency, simple in structure, and manufacturable at low cost. The heat exchanger includes a plurality of heat transfer plates, a plurality of inner fins, and a plurality of leakage preventing plates. Each of the leakage preventing plates has formed therein passage holes through which the fluid is caused to flow. An inner fin of a first channel and an inner fin of a second channel are provided so that the thermal resistivities of two fluids are kept equal to each other. | 03-26-2015 |
20150083383 | HEAT EXCHANGER AND HEAT EXCHANGE METHOD - A heat exchanger has a plurality of heat exchange function surface units, capable of suppressing an influence of the gravity exerted on refrigerant and suppressing reduction of heat exchange performance in each of the surfaces. The heat exchanger has the plurality of heat exchange function surface units, and includes an upper header pipe, a lower header pipe, and a plurality of heat exchange pipes provided between the pair of upper and lower header pipes in each of the heat exchange function surface units. The plurality of heat exchange function surface units have a parallel connection relationship, and a plurality of the lower header pipes are connected to a lower collection pipe through a branch current adjusting section. | 03-26-2015 |