Patent application number | Description | Published |
20090008930 | Pipe Fitting - There is provided a pipe fitting in which loss of a sleeve is prevented, and the sealing performance of a joint portion is ensured while enhancing the workability at the time of connecting pipes. Also, a refrigerating apparatus and the like using the pipe fitting are provided. A sleeve ( | 01-08-2009 |
20090045624 | BITE TYPE TUBE CONNECTION STRUCTURE, TUBE FITTING, VALVE, CLOSING VALVE, REFRIGERATING CYCLE DEVICE, HOT-WATER SUPPLY DEVICE, BITE TYPE TUBE CONNECTION METHOD, AND ON-SITE TUBE CONNECTION METHOD - A fitting has a bite type tube connection structure with a bite type sleeve in cylindrical form. The bite type sleeve is formed of a primary deforming portion and a secondary deforming portion. The primary deforming portion bites into a connection tube | 02-19-2009 |
20090084127 | Air Conditioner - In a drain water discharging method for force-feeding drain water via a drain pump, clogging of a drain piping is prevented by controlling the drain pump. An air conditioner has a drain pan for collecting drain water that is dropped from a heat exchanger, a drain pump for discharging the drain water in the drain pan, and a DC motor for driving the drain pump. The DC motor for driving the drain pump is controlled to increase its rotating speed when a rotary torque of the DC motor is increased. | 04-02-2009 |
20090102191 | Flareless Pipe Coupling Structure, Flareless Pipe Coupling Method, And On-Site Pipe Coupling Method - A guide tapered surface | 04-23-2009 |
20090167015 | Pipe Joint Cover Structure and Pipe Connection Method - To mount a partition cover ( | 07-02-2009 |
20090261573 | PIPE JOINT - A pipe joint includes a sleeve that is non-movably integrated with a nut prior to the nut being threadedly coupled to a joint body. The sleeve is separated from the nut by threadedly coupling the nut to the joint body prior to contact between the sleeve and a guide surface of the joint body so as to stabilize the separation timing of the sleeve from the nut and ensure the sealing property at portions where the sleeve bites. When the nut is further threaded to the joint body, a distal end portion of the sleeve is pressed by a guide surface formed on the joint body and deformed. As a guided surface is guided by the guide surface, the distal end portion bites into an outer peripheral surface of the pipe. | 10-22-2009 |
20090267343 | PIPE JOINT, REFRIGERATION DEVICE, AND HEAT PUMP-TYPE HOT WATER DEVICE - A pipe joint includes a joint body | 10-29-2009 |
20090309357 | BITE-IN TYPE PIPE JOINT, REFRIGERATING APPARATUS, AND WATER HEATING DEVICE - A bite-in type pipe joint includes a first joint member having an internal thread and a second joint member having an external thread. An annular ferrule is formed integrally with the second joint member. By the time the first and second joint members are fastened to each other, the ferrule separates from the second joint member and bites into a pipe. The second joint member has a cylindrical cover that covers the ferrule. This structure prevents a distal portion and a tapered surface of the ferrule from being damaged when the joint member is handled. A refrigerating apparatus and/or a water heating device can include one or more of the pipe joints. | 12-17-2009 |
20100032940 | PIPE JOINT, REFRIGERATING DEVICE, AND HEAT PUMP WATER WARMING DEVICE - A pipe joint has a joint body | 02-11-2010 |
20100084861 | BITE TYPE PIPE COUPLING, REFRIGERATION DEVICE, AND WATER HEATING DEVICE - In a center portion of the coupling body of a bite type pipe coupling, an insertion port for receiving a connector pipe is formed at an end that faces a coupling member. In the center portion, an insertion port is formed at an end located opposite to the end that faces the coupling member. An apparatus-side pipe is inserted into and brazed to the insertion port. A thin wall portion is formed in an outer circumferential wall portion of the entrance of the insertion port for receiving the apparatus-side pipe. The outer diameter of the thin wall portion is smaller than that of the coupling body. The thin wall portion is formed in a range extending from the entrance of the insertion port to a position that is located closer to the entrance than the inner end of the insertion port and is located in the vicinity of the inner end. | 04-08-2010 |
20100089562 | HEAT EXCHANGER - The heat exchanger includes heat transfer tubes | 04-15-2010 |
20100090457 | FLARELESS-TYPE PIPE FITTING, REFRIGERATING DEVICE, AND WATER-HEATING DEVICE - In a flareless-type pipe joint, a pressing surface | 04-15-2010 |
20100148502 | PIPE JOINT, REFRIGERATION DEVICE, HEAT PUMP HOT WATER SUPPLY DEVICE, CLOSING VALVE, WATER SUPPLY PIPING, METHOD OF CONNECTING PIPING, AND IN-THE FIELD PIPING METHOD - A pipe joint and a method of joining pipes using the pipe joint prevent loss of a sleeve, enhance workability in the pipe joining operation, and ensure sealing performance. The pipe joint may be utilized in a refrigerant device, a heat pump hot water supply device, a closing valve and a water supply piping. The method for connecting piping may be used in an in-the filed piping method. The pipe joint includes a joint body, a fastening member such as a nut, and a sleeve. The sleeve is integrated with the fastening member or the joint body before the fastening member is attached to the joint body. When the fastening member is attached to the joint body, the sleeve is cut off and separated from the fastening member or joint body. When the nut is fully attached, the sleeve bites into the pipe, and the pipe is joined to the joint body. | 06-17-2010 |
20100155312 | HEAT PUMP-TYPE HOT-WATER SUPPLY DEVICE - A heat pump type hot water supply device is provided with a heat source side heat pump unit having a heat radiating heat exchanger that condenses refrigerant to radiate heat from the refrigerant. The hot water supply device is provided with a water tank that stores water, a water supply pipe that supplies water to the water tank from the outside, a water circulation pipe that is extended in a bypassing manner and circulates the water in the water tank from a bottom section to an upper section, a heat absorbing heat exchanger that is arranged on the water circulation pipe and connected to the heat radiating heat exchanger of the heat source side heat pump unit so as to absorb heat, and a hot water supply unit that comprises a hot water supply pipe that supplies warm water in the upper section of the water tank to the outside. The water supply pipe is branched into a plurality of water supply paths including a first water supply path and a second water supply path. The first water supply path supplies water supplied from the outside directly to the water tank. The second water supply path supplies water to the water tank after the water quality of the water from the outside is improved by the water quality adjusting unit so as to hardly generate scale. Accordingly, one of or both of the water supply paths are selectively used according to the water quality of the supplied water. This suppresses the deposition of scale. | 06-24-2010 |
20110006517 | DUPLEX PIPE FITTING, EXCLUSIVE TOOL FOR THE DUPLEX PIPE FITTING, REFRIGERATION SYSTEM EMPLOYING THE DUPLEX PIPE FITTING, AND SEPARATION TYPE AIR CONDITIONER - A duplex pipe fitting includes a fitting main body | 01-13-2011 |
20110108753 | BITE TYPE PIPE CONNECTION STRUCTURE, VALVE, BITE TYPE PIPE JOINT, AND FREEZING DEVICE - A bite type pipe connection structure is used to connect a large diameter pipe that is previously set as a standard specification. The bite type pipe connection structure includes a spacer | 05-12-2011 |
20110126917 | DRAIN WATER BACTERIOSTATIC STRUCTURE FOR AIR CONDITIONER - A drain water bacteriostatic structure for an air conditioner is provided with a drain pan | 06-02-2011 |
20110214450 | BITE-IN TYPE PIPE CONNECTION STRUCTURE, VALVE, BITE-IN TYPE PIPE JOINT, AND REFRIGERATION DEVICE - A bite-in type pipe connection structure is provided, the pipe connection structure being capable of, even if piping connection work is performed with a length of piping inserted insufficiently, minimizing deterioration of air-tightness at the joint portion, at which the piping is connected, due to an offset load acting on the piping. Also provided are a valve, a bite-in type pipe joint, and a refrigeration device using the bite-in type pipe connection structure. A ferrule | 09-08-2011 |
20140232111 | FLARELESS TUBE CONNECTION STRUCTRUE - A flareless tube connection structure includes a joint body, a coupling member threadedly mounted to the joint body, and front and back ferrules thrilled separately from the joint body and the coupling member and clamped between the joint body and the coupling member. The front and back ferrules are formed separately from each other and can be provisionally assembled together before the coupling member is mounted to the joint body. | 08-21-2014 |
20140353969 | TUBE CONNECTION STRUCTURE - A tube connection structure includes a joint body and a coupling member. The coupling member has a fastening part threaded with the joint body and a tool-engaging part gripable with a fastening tool. The coupling member and the joint body are-configured such that the tool-engaging part is separated from the fastening part after the coupling member is mounted to the joint body. The joint body and the coupling member have a threading contact part. The components of the threaded contact part are in contact with each other so that the threading of the coupling member over the joint body is limited before the tool-engaging part is separated from the fastening part. | 12-04-2014 |