38results about How to "Suppress pressure rise" patented technology

A clothes drying apparatus includes a heat pump mechanism (25), an air path (13) for guiding drying air into a drying drum (11) accommodating therein clothes (27), a blower (15) for supplying drying air to the air path (13), and a controller for controlling a driving of a compressor (22), wherein the controller operates the blower (15) and the compressor (22) during a drying operation; stops the compressor (22) in case the drying operation is suspended; and operates, in case the drying operation is resumed, the compressor (22) after a certain time period has elapsed since the compressor (22) had stopped. In case employing the heat pump mechanism (25) having the compressor (22) as a heat source, it is possible to reduce a load on the compressor (22) and allow temperature of warm air to rapidly return by using the heat pump mechanism (25). <IMAGE>

An industrial robot 10 comprises an arm 2 which includes a proximal portion rotatably supported on a horizontal rotation shaft of a frame 1 in a cantilever state, a cylindrical case portion formed from the proximal portion side to a distal end of the arm to have an opening portion on the proximal portion side, and an arm distal end portion. The industrial robot also comprises a balancer device which includes a rod 3b , and a cylinder 3a in which the rod 3b is reciprocated. An engagement portion at a distal end of the rod, and a rear end 5 of the cylinder are rotatably supported between a pair of first support portions c of the frame, and between a pair of second support portions b inside the cylindrical case portion, respectively, so that the cylindrical case portion and the balancer device do not interfere with each other in an extent of rotation of the arm.

There is provided a multi-way selector valve capable of suppressing any excessive rise in the pressure of a high-pressure refrigerant during a transitional phase of flow path switching and of preventing malfunctioning of a flow path switching operation, while also being capable of preventing situations in which erroneous judgments of anomaly / failure occurrences in the device are made by a fail-safe mechanism to cause the device to stop unduly. A high-pressure passage portion 55 to which a high-pressure fluid is introduced is formed in a valve member 50. A valve seat portion 65 provided with a first inlet / outlet 13 and a second inlet / outlet 14 that are selectively communicated with an outlet-side end portion 55a of the high-pressure passage portion 55, and a valve chest 61 into which a low-pressure fluid is selectively introduced via the first inlet / outlet 13 and the second inlet / outlet 14 are provided in a valve body 60. During the transitional phase of flow path switching, the outlet-side end portion 55a of the high-pressure passage portion 55 of the valve member 50 is made to slide while being pressed against a portion between the first inlet / outlet 13 and the second inlet / outlet 14 in the valve seat portion 65. There is formed between the first inlet / outlet 13 and the second inlet / outlet 14 of the valve seat portion 65 an escape passage portion 69 comprising a groove, notch, through-hole or the like for allowing the high-pressure refrigerant of the high-pressure passage portion 55 to escape to the side of the valve chest 61 during the transitional phase of flow path switching.

A thermal fuse includes an insulating case having a bottom and having an opening provided therein, a fusible alloy provided in the insulating case, a lead conductor having one end connected to the fusible alloy and other end led out from the insulating case through the opening of the insulating case, a flux provided on the fusible alloy, and a sealer for sealing the opening of the insulating case. The volume of a space between the fusible alloy in the insulating case and the sealer is larger than the volume of the flux. Sealing of the fuse is prevented from deteriorating, and the insulating film is prevented from damage even when the thermal fuse is used for breaking a large current at a high voltage.

A fuel tank structure includes: a fuel tank that is installed in an automobile and that accommodates fuel; a bag-shaped member that is fixed to a ceiling portion of an interior of the fuel tank, and whose state of contact with a liquid surface of fuel accommodated in the fuel tank is maintained due to the bag-shaped member inflating or deflating in accordance with a height of the liquid surface; a temperature sensor that senses a temperature of the fuel or evaporated fuel that is within the fuel tank; and a cooling wind introducing section that introduces cooling wind into an interior of the bag-shaped member in a case in which the temperature of the fuel or the evaporated fuel detected by the temperature sensor becomes higher than a predetermined temperature.

To discharge high pressure liquid compressed when liquid refrigerant is sucked into a compression chamber to an outside without making the same enter into a back pressure area of a turning scroll or the like. A communication flow path 21 establishing communication between the compression chamber and the back pressure area of the turning scroll 20 is provided in a base plate and a lap of the turning scroll, and a relief mechanism 1 releasing predetermined pressure fluid in the compression chamber connecting to the communication flow path provided in the lap of the turning scroll 20 is provided in a fixed scroll 10. Consequently, entrance of liquid refrigerant into the back pressure area 31 is reduced while easily discharging liquid refrigerant at a time of pressure rise due to suction of liquid refrigerant to the compression chamber.; Also, if oil containing much refrigerant foams in the back pressure area 31 or the like, oil is discharged to the compression camber through the communication flow path 21 of the turning scroll 20 and is discharged from the relief mechanism 11 of the fixed scroll 10. Consequently, unexpected pressure rise in the back pressure area and the compression camber is reduced.

A shoe midsole is configured from a bottom plate (1), a cover (2), a plurality of blades (3), and a liquid (4). The blades (3) are formed so as to rise on a first region (11) provided in the bottom plate (1). The blades (3) are made from a plurality of flat blade elements (32, 33) mutually separated by slits (31) and tilt toward either the toe side or the heel side. The flat blade elements (32, 33) are disposed so as to spread open toward the toe side or the heel side. A sealed space (5) is formed by mutually joining the bottom plate (1) and the cover (2), and the liquid (4) is sealed in the sealed space.

A casting device comprising an injection device and a vacuum device, the casting device being characterized in that the injection device comprises an injection plunger and a sleeve having a suction port connected to the vacuum device, the vacuum device comprising a vacuum capable of being selectively drawn using, without A suction port selection valve, a pressurized tank for blowing air to clean the suction path, and a vacuum tank for evacuating the inside of the sleeve, which includes a plurality of suction ports.

PROBLEM TO BE SOLVED: To smoothly deploy an airbag in even a narrow space by performing the regulation of thickness of the airbag and a conduction control of expansion gas, and to quickly and surely protect the head part of an occupant by comparatively small amount of gas. SOLUTION: This device is provided with a first air chamber 12 for protecting a breast part, a second air chamber 14 for protecting the head part, and a diffuser 30 interposed between the air chambers 12 and 14 to rectify gas jetted from an inflator 20. In the second air chamber 14, a first tether 50 to form a gas conducting passage 14a for guiding gas blown from a blowoff port of the diffuser 30 to penetrate from a rear side of the head part protecting region of the airbag 1 to a front side is provided. At a lower end of the first tether 50 in the vicinity of the gas blowoff port, a second tether 52 for forming a gap to release a part of gas to a front part of the second air chamber 14 is provided in a space between the first tether 50. COPYRIGHT: (C)2006,JPO&NCIPI

The invention provides a heat pump type water heater capable of suppressing refrigerant pressure rise and reduction in coefficient of performance at an increased water inlet temperature of the heat pump type water heater or an increased outside air. Heat-pump type hot water supply system includes a heat pump cycle in which a compressor, a water heat exchanger for performing a heat exchange betweenwater and a refrigerant, a first decompressor, an intermediate heat exchanger for performing a heat exchange between the refrigerant and exterior air, a second decompressor, an evaporator for performing a heat exchange between the refrigerant and the exterior air are connected in order. Heat-pump type hot water supply system further includes a water temperature sensor for detecting a temperatureof water entering the water heat exchanger, an exterior air temperature sensor for detecting an exterior air temperature, and a controller for controlling operations of the first and the second decompressor. A valve opening degree of the first and the second decompressor is controlled based on detection values obtained by the water temperature sensor and / or the exterior air temperature sensor.

The present invention provides a redox flow battery capable of preventing pressure increase caused by hydrogen gas generation at a negative electrode within a battery system. This redox flow battery 1has: a battery cell 10 equipped with a positive electrode 11, a negative electrode 12, and an ion-exchange membrane 13; a positive electrode-side electrolytic solution tank 20 for housing an electrolytic solution containing a positive electrode active material appropriate for the positive electrode 11; a negative electrode-side electrolytic solution tank 30 for housing an electrolytic solution containing a negative electrode active material appropriate for the negative electrode 12; a positive electrode-side piping for connecting the battery cell 10 and the positive electrode-side electrolytic solution tank 20; and a negative electrode-side piping for connecting the battery cell 10 and the negative electrode-side electrolytic solution tank 30, wherein charging and discharging are performed by having a configuration causing the electrolytic solutions to circulate between the battery cell 10 and the positive and negative electrode-side electrolytic solution tanks 20, 30 via the positiveelectrode-side piping 21, 22 and the negative electrode-side piping 31, 32. The negative electrode-side piping 31, 32 is provided with a hydrogen gas amount reduction means 40 having a hydrogen gas amount reduction device 60.

The present invention provides a redox flow battery capable of preventing pressure increase caused by hydrogen gas generation at a negative electrode within a battery system. This redox flow battery (1) has: a battery cell (10) equipped with a positive electrode (11), a negative electrode (12), and an ion-exchange membrane (13); a positive electrode-side electrolytic solution tank (20) for housingan electrolytic solution containing a positive electrode active material appropriate for the positive electrode (11); a negative electrode-side electrolytic solution tank (30) for housing an electrolytic solution containing a negative electrode active material appropriate for the negative electrode (12); a positive electrode-side piping for connecting the battery cell (10) and the positive electrode-side electrolytic solution tank (20); and a negative electrode-side piping for connecting the battery cell (10) and the negative electrode-side electrolytic solution tank (30), wherein charging and discharging are performed by having a configuration causing the electrolytic solutions to circulate between the battery cell (10 )and the positive and negative electrode-side electrolytic solution tanks (20, 30) via the positive electrode-side piping (21, 22) and the negative electrode-side piping (31, 32). The negative electrode-side piping (31, 32) has a hydrogen oxidation catalyst (40 provided to at least a portion of an inner surface side thereof.

An air-conditioning apparatus includes actuation control means including an actuation unit that sequentially opens heat medium flow switching devices or heat medium flow control devices on a one-by-one basis. The actuation control means performs control in such a manner that start time of driving of pumps is later than start of actuation of the heat medium flow switching devices and the heat medium flow control devices.

A liquid jetting apparatus includes: a head; an ink storage chamber communicating with the head; a gas distributing chamber in which a gas introducing hole is formed; a buffer chamber in which a communicating hole for communicating with the gas distributing chamber, and an atmosphere opening hole for opening to the atmosphere are formed; a combination valve which is capable of opening and closing the gas introducing hole and the communicating hole; a gas introducing mechanism which introduces the compressed air through the gas introducing hole to the head to jet the ink forcibly, and a positive-pressure control valve which opens the atmosphere opening hole when a pressure in the buffer chamber exceeds a predetermined value. It is possible to operate a positive-pressure purge while suppressing an excessive increase in the pressure inside the liquid storage chamber, without increasing a size and a cost of the apparatus.

The invention provides a screw compressor as a subject which can suppress disappearance of a compressed working fluid and pressure rise in discharging. The screw compressor of the invention comprises a first rotor (11) and a second rotor (20) which are engaged with each other and rotate to compress the working fluid. Air is compressed as a compression chamber (30) formed by engagement between the first rotor (11) and the second rotor (20) shrinks. The compression chamber (30) shrinks until the compression chamber (30) disappears. Furthermore, the screw compressor is characterized in that a recessed first oil storing portion (22) forms in an axial end surface (11c) of a tooth portion (11b) of the first rotor (11); the first oil storing portion (22) is communicated with a working chamber (13) or the compression chamber (30) through a first opening portion (22a) forming in a tooth top (11b1) of the tooth portion (11b); the first opening portion (22a) is at a position where the tooth top (11b1) of the tooth portion (11b) is superposed with a tooth bottom (20a1) of a tooth groove (20a) when the compression chamber (30) disappears.