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    • 32. 发明专利
    • UNDER-FLOOR AIR CONDITIONING SYSTEM
    • JPH06185756A
    • 1994-07-08
    • JP33325592
    • 1992-12-14
    • TAKENAKA KOMUTEN CO
    • KAKIZAKI JIRO
    • F24F3/00F24F3/044F24F7/06F24F13/068
    • PURPOSE:To uniform cooling or heating air temperature distribution by a method wherein hot air and cold air are blown out of an air conditioning device into a double- floor at predetermined intervals, blown hot air and cold air produced by the air conditioning device are sucked at a blowing end most far from the air conditioning device and the air is circulated between the blown hot air and cold air. CONSTITUTION:Cold air blown out of an air conditioner 5 into a space 3 during a cooling operation flows down in the space 3, blown from a blowing port 7 of a floor panel 1 into an indoor part 9 so as to perform an air conditioning. For example, cold air of 20 deg.C got from the air conditioner 5 rises up to 21.5 deg.C at a blowing end, resulting in that the cold air of about 21.5 deg.C in blown from the blowing-out port 7 into the indoor part 9. Blown cold air A reaching the blowing end is sucked into a circulation device 17, blown out as a blown air W of 21.5 deg.C from the blowing end 17b to the air conditioner 5 and its temperature is increased up to 23 deg.C until the air reaches the air conditioner 5. However, it induces cold air of 20 deg.C from the air conditioner 5, is heated to a temperature of about 21.5 deg.C and the air is blown into the indoor part 9. Even at an intermediate region, the temperature of the air becomes about 21.5 deg.C and the air is blown into the indoor part 9. Similarly, also during the heating operation, irregular distribution of hot air temperature can be improved.
    • 36. 发明专利
    • CLEAN ROOM FOR FACTORY USING HAZARDOUS CHEMICAL AND AIR INTAKE AND EXHAUST METHOD
    • JPH0221146A
    • 1990-01-24
    • JP17215288
    • 1988-07-11
    • TAKENAKA KOMUTEN CO
    • TAKASHI MANABUKAKIZAKI JIROSOEDA FUMIOSHIRATORI YASUHIRO
    • F24F7/06
    • PURPOSE:To prevent gas from dispersing from a gas leaking area and to perform emergency gas exhaust reliably by dividing the spaces above a ceiling and under a floor to form corresponding compartments, connecting the above-ceiling and under-floor compartments by air ducts equipped with circulating fans individually, and furnishing an outdoor air intake flow control damper on an outdoor air intake duct. CONSTITUTION:When a toxic or flammable gas leaks from a production facility 22, a circulating fan 29, that connects to an above-ceiling compartment just above the gas leaking area, is stopped to stop circulating air supply, an outdoor air intake flow control damper 41 on an outdoor intake duct 39 is closed to stop outdoor air supply to a under-floor compartment beneath the production facility 22, a gas exhaust damper 45 beneath the production facility 22 is opened, a gas exhaust fan 37 is started, in addition, the dampers 45 on the gas exhaust dust 45 is opened and an emergency gas exhaust fan 44 is started. Simultaneously, the outdoor intake flow control dampers 41 on the outdoor intake ducts 39 connecting to the under-floor compartments 33 in the adjoining blocks of the production facility 22 are opened to send outdoor air through air circulating ducts 28 to the above-ceiling compartments 26. Therefor, outdoor air supply is increased around the production facility 22 so that toxic or flammable gas is pushed into the under-floor compartments 33 and discharged outside through a gas exhaust duct 43.
    • 37. 发明专利
    • OMNIDIRECTIONAL BLOWING AIR SHOWER
    • JPH01208637A
    • 1989-08-22
    • JP3054788
    • 1988-02-12
    • TAKENAKA KOMUTEN CO
    • SHIRATORI YASUHIROKAKIZAKI JIROTAKASHI MANABU
    • F24F7/06
    • PURPOSE:To bathe all over the whole body in air jet only in order that a person in the air shower room stands still without motion of a revolution and the like by arranging air supply openings in the inner surface of a ceiling, an inner wall surface, each door of an entrance and an exit respectively and providing inlet ports in a floor. CONSTITUTION:An entrance 12 and an exit 13 with opening-out doors 14, 15 are provided at the front and the rear of a square air shower room 11, clean air jet supply openings 16 are arranged in the inner surface of an inner wall surface, a ceiling and each doors 14, 15 of the room 11, dust suction openings 17 are provided in a floor and a return space 18 communicating with it is provided at the side of the shower room 11. Flues 20 communicating with the sir jet supply openings 16 are provided in the inside of both side walls 9 of the air shower room 11 and the ceiling. Other flues 21 communicating with the air jet supply openings 16 and the flues 20 at the time when the doors is closed are provided in the inside of the doors 14, 15. A fan 22 for sending air to the flues 20 is provided in the return air space 18 and filters are provided in the return space 18 and the flues 20, 21. When a person enters the air shower room 11 and closes the door 14, the fan 22 is actuated and clean air is jetted from the whole air jet supply openings 16.
    • 38. 发明专利
    • FLOW RATE REGULATING METHOD
    • JPS6414621A
    • 1989-01-18
    • JP17176587
    • 1987-07-08
    • TAKENAKA KOMUTEN COSHINKO KOGYO KK
    • USUDA MASASHIKAKIZAKI JIROISHIMOTO SHINJINISHIMUTA SUMIICHI
    • G05D7/00
    • PURPOSE:To realize the regulating with fine accuracy by executing simultaneously in parallel a rough adjustment control by an opening adjusting operation of a large valve, and a fine adjustment control by an opening adjusting operation of a small valve. CONSTITUTION:A flow rate of a fluid flowing in a fluid carrying system becomes a regulated variable, a valve opening adjusting operation is executed so that this flow rate follows up a fluctuated object value, and a flow rate variation portion is regulated by distributing it into a rough adjustment control by an opening adjusting operation of a large valve 3 and a fine adjustment control by an opening adjusting operation of a small wave 4. As for its distributing method, in case of a repeated control flow, the distribution is executed in a state that an opening adjusting manipulated variable of a small valve in the control flow of each time is allowed to have a margin, and when its margin does not exist in the small valve 4, the distribution is executed so as to compensate a portion for generating its margin by an opening adjusting manipulated variable of the large valve 3. Accordingly, the range of the flow rate which can be controlled extends over a wide range from '0' to the sum of each maximum flow rate of the large valve and the small valve, and also, as for the control accuracy which follows up the flow rate target value in its range, the accuracy being equal to the control accuracy of the small valve is secured.