Kiyoshi Handa
Kiyoshi Handa, Utsunomiya-Shi JP
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20100001851 | PRESSURE TANK AND DETECTION METHOD OF PRESSURE TANK INTERNAL ABNORMALITY - A pressure tank including, a tank wall; a supporting member which includes fiber reinforced plastic and supports an outer surface of the tank wall; a supersonic wave sensor which is connected to the tank wall, and which detects a sonic wave propagated in the tank wall; and an internal abnormality determination member which is connected to the supersonic wave sensor, and which determines whether an internal abnormality exits in the tank wall, wherein the internal abnormality determination member determines the existence of the internal abnormality based on the detection result during gas is charged into the pressure tank, and outputs an abnormality signal when the internal abnormality was determined to exist. | 01-07-2010 |
20140272671 | FUEL CELL SYSTEM AND FUEL CONSUMPTION SYSTEM - A fuel cell system and a fuel consumption system verify the location of a filling failure at a time that a fuel gas filling process suffers from such a filling failure. Either one of encoded data indicating an infrared radiation signal related to the fuel gas filling process, which is sent from a vehicle to an external hydrogen station, and a drive signal, which comprises a train of binary pulses converted from the encoded data, is recorded in a recording unit of the vehicle. | 09-18-2014 |
Kiyoshi Handa, Saitama JP
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20090200318 | HIGH-PRESSURE TANK - A high-pressure tank is provided capable of simply and inexpensively suppressing gas leaks under low temperature condition. The high-pressure tank | 08-13-2009 |
20110180551 | GAS TANK - There is provided a gas tank that suppresses an increase in pressure of a gas filled therein. A hydrogen tank comprises a tank main body filled with hydrogen, a thermofoamable heat-insulating layer provided on the external surface of the tank main body, a relief valve which is provided at the left end of the tank main body and which reduces the pressure in the tank main body by releasing the hydrogen in the tank main body, and a liner which extends from the relief valve toward the right end and which detects an increase in temperature. The relief valve is thermally connected to the liner, and is actuated based on heat transferred from the liner in order to release the hydrogen in the tank main body, thereby reducing the pressure in the tank main body. | 07-28-2011 |
20120217251 | GAS TANK - Provided is a gas tank wherein the pressure of gas filled in the tank hardly increases. A hydrogen tank ( | 08-30-2012 |
Kiyoshi Handa, Takanezawa-Cho JP
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20090114367 | Selective Warming and Heat Isolation For On Board High Pressure Storage Tanks Installed on Gas Fueled Vehicles - A thermal management system for gas flow from an on board high pressure vehicle gas storage tank comprising an on board heat source operatively interconnected with a heater disposed in proximity to the metal component gas outlet flow control system of the on board tank; a thermostat regulating the flow of heat to the heater such that the thermostat regulates the temperature of the metal component outlet flow control system of the tank to a temperature corresponding to at least the minimum lower limit temperature permitted by the temperature tolerance range of metal component outlet flow control system of the tank; and an optional insulating shroud circumferentially disposed surrounding the gas flow heater installed in the system. | 05-07-2009 |
20090142636 | Carbon Fiber Warming System for Fiber Composite Gas Storage Cylinders - A heating system for a fiber composite high pressure gas storage tank for maintaining the temperature of the gas within the tank and the gas flow components associated with one or more boss at the tank ends above the lower design tolerance limit for the tank and flow control assembly, wherein the tank is formed from a polymeric binder having embedded therein longitudinally extending conductive and resistive fiber material strands, comprising an electric power source interconnected with the conductive and resistive tank wall whereby the fibers in the tank wall comprise a heater for warming the tank system such that the temperature of the components associated with the tank assembly does not drop below the lower tolerance temperature limit of the tank assembly. | 06-04-2009 |
20090142637 | Warming for High Pressure Hydrogen Gas Storage Cylinders Utilizing The Joule-Thomson Effect - A warming system for a high pressure hydrogen gas storage tank in a motor vehicle for maintaining the temperature of the gas within the tank and the gas flow control components associated with one or more boss at the tank ends above the lower design temperature tolerance limit of the tank and components associate with the utilizing the Joule-Thomson effect in gas flowing from the tank to recycles the mechanical energy of heat compression in high pressure hydrogen fuel to warm the gas within the tank as the high pressure gas is utilized. | 06-04-2009 |
20090159258 | Internal Gas Warming For High Pressure Gas Storage Cylinders With Metal Liners - A warming system for high pressure storage tanks for hydrogen and CNG gas fuel wherein a warming device is installed upon a tank port that is interconnected in thermal communication with a metal liner within the tank and heat derived from an on board vehicle heat source is transmitted by conduction from the tank port to the tank interior. Heating ameliorates mechanical stresses to the tank and the component parts of the tank assembly caused by the thermal conditions of the tank environment and thermal changes in gas temperature associated with the depletion of high pressure gas from the tank. | 06-25-2009 |
Kiyoshi Handa, Takenezawa-Cho JP
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20090139987 | Induction Warming System for Fiber Composite Gas Storage Cylinders - A warming system for a fiber composite high pressure gas storage tank for maintaining the temperature of the gas within the tank and the gas flow system associated with one or more boss at the tank ends above the lower design tolerance temperature limit, wherein an induction coil wound around a longitudinal axis of the tank is powered by an on board source of alternating current and a control system regulates the flow of current to the coil to warm a ferromagnetically active component associated with the tank such that the temperature of the tank and the gas flow system of the tank does not drop below the lower tolerance temperature limit of the tank and the gas flow system. | 06-04-2009 |
Kiyoshi Handa, Tochigi JP
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20080216487 | Supplemental Heat Exchange for High Pressure Gas Tank - Apparatus for heat exchange in a high pressure gas storage tank wherein a heat absorbent gas media circulates within the tank and absorbs or radiates the heat resulting from compression and expansion of gas stored in the on board tank depending upon the mode of operation of the vehicle, the gas media is circulated through a heat exchange unit external to the tank whereby heat is radiated to or absorbed from an environment external to the tank, and an in situ heat exchange device installed within the tank absorbs or radiates the heat from or to the gas stored in the tank as a result of heat exchange through a unit external to the tank. | 09-11-2008 |
20080290645 | Shaped Absorbent Media Installed in a High Pressure Tank - Absorbent media for gas or heat is provided in a predetermined length of a polygon or curvilinear, and preferably honeycomb (hexagonal) cross sectioned shape with gas absorbent media packed therein. The hexagonal tubes may be installed along the radial or longitudinal axis of a fuel tank. The media and/or media tubes are installed during tank manufacture and include defined physical and gas circulation relationships for maintaining extending tubes having a gas absorbent media therein in a predetermined interrelationship with adjacent spaces (which may be tubes) of similar shape that are either open, or filled with a heat absorbent media. | 11-27-2008 |
20080296306 | Installation of Gas Absorbent in a High Pressure Tank - Tubes packed with gas absorbent media are installed in radial sectors in a high pressure gas tank interior. When a tank is fully packed with gas absorbent tubes in all sectors, interstices in the internal spaces between the tubes, an internal heat exchanger may be centrally installed within the tank having conduits for high pressure gas flow in the tank in a configuration in accordance with the cooling and heating requirements of the particular tank system. Flanged ends on the tubes maintain spacing of the tubes, facilitating gas flow and absorption. | 12-04-2008 |
20080302110 | Thermal Management For High Pressure Storage Tanks - Apparatus for the thermal management of high pressure gas storage tanks wherein the compression heat of refueling the tank is evacuated from the interior of the tank in which a gas circulates within the tank powered by a pump powered and as the gas traverses from the high pressure refuel depot to the storage tank, the circulating gas absorbs the refueling heat and carries the heat to a cooling system having a supplemental heat exchange device before the gas is introduced into the tank. The apparatus may be operated in reverse to transfer heat from a source to the tank interior to provide more complete exhaustion of the tank during vehicle operation. | 12-11-2008 |
20080302504 | Station Side Cooling for Refueling Vehicle Storage Tanks with High Pressure Fuel - Reduction of fuel tank heating during the refueling process is effected by a coolant exchange between the station and the vehicle whereby an on board heat exchanger internal to the tank is interconnected through a heat exchanger external to the tank with a station side cooler that cools the refill gas to an ambient temperature. As a result of station provided ambient temperature cooling, the vehicle does not need to have particularly complicated on-board cooling devices, nor does the station need to be encumbered with complex and expensive pre cooling devices. | 12-11-2008 |
Kiyoshi Handa, Rancho Palos Verdes, CA US
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20080216914 | High Pressure Gas Tank Heat Management by Circulation of the Refueling Gas - A heat management system for a high pressure gas tank comprising a loop circulation path for the gas including a path through an internal heat exchanger in the tank and a path through a heat exchanger external to the tank, wherein, in the instance of refueling, the refueling gas circulates multiple times in the loop through the internal heat exchanger and the external heat exchanger and in the course of circulation, a portion of the gas from the refuel line is introduced into the tank. In a reverse circulation during driving, the tank is warmed by heat exchange from the external heat exchanger to the internal heat exchanger. | 09-11-2008 |
Kiyoshi Handa, Wako JP
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20110303662 | PRESSURE VESSEL - A pressure vessel includes a liner, a reinforcing layer, and a protective layer. An inside of the liner forms a reserving chamber. The reinforcing layer is made of fiber reinforced plastic and is provided on an outer surface of the liner. A protective layer is provided on an outer surface of the reinforcing layer and includes fiber materials and a thermally foamed material. The thermally foamed material is interposed between the fiber materials. | 12-15-2011 |
Kiyoshi Handa, Hiroshima-Shi JP
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20150029812 | SCREW PAIR AND CO-ROTATING INTERMESHING TWIN-SCREW EXTRUDER PROVIDED WITH SCREW PAIR - A screw pair includes first and second screws having an outer circumferential surface on which a groove is spirally formed, and transports a raw material in a first direction along each of axis centers. An inner surface of the groove of each of the screws includes a first surface, which faces in the first direction, and in which the outer circumferential surfaces of the screws are formed to coincide with each other without a gap therebetween in the state where the screws mesh with each other, and a second surface, which faces in a second direction opposite to the first direction, and which forms a gap between the outer circumferential surfaces of the screws in the state where the screws mesh with each other. | 01-29-2015 |
Kiyoshi Handa, Wako-Shi JP
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20150184804 | CONTROL METHOD FOR FUEL FILLING SYSTEM - A control method for a hydrogen filling system is provided. A hydrogen filling system (S) includes a vehicle (V) that sends unique information (V, MC) of the hydrogen tank and detected values (T, P) of sensors, and a station ( | 07-02-2015 |