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    • 1. 发明授权
    • Refrigerating plant
    • 制冷厂
    • US06237356B1
    • 2001-05-29
    • US09381739
    • 1999-09-23
    • Yasushi HoriShinri Sada
    • Yasushi HoriShinri Sada
    • F25B1300
    • F25D17/02F25B25/005F25B29/003F25B2400/22
    • A compressor (2), a heat releasing element (3A) of a heat exchanger (3) for heating, an electromotive expansion valve (4), and a heat absorbing element (5A) of a heat exchanger (5) for cooling are connected to each other to constitute a primary refrigerant circuit. A pump (11), a heat absorbing element (3B) of the heat exchanger (3) for heating, a first indoor heat exchanger (12), an electromotive expansion valve (13), a second indoor heat exchanger (14), and a heat releasing element (5B) of the heat exchanger (5) for cooling are connected to each other to compose a secondary refrigerant circuit (10). A liquid refrigerant ejected from the pump (11) is evaporated in the heat absorbing element (3B) of the heat exchanger (3) for heating, reduced in pressure by the electromotive expansion valve (13), and evaporated in the second indoor heat exchanger (14). Thereafter, the gas refrigerant is condensed in the heat releasing element (5B) of the heat exchanger (5) for heating to be returned to the pump (11).
    • 连接有用于加热的热交换器(3)的热交换器(3)的放热元件(3A),电动膨胀阀(4)和用于冷却的热交换器(5)的吸热元件(5A) 彼此构成主要制冷剂回路。 泵(11),用于加热的热交换器(3)的吸热元件(3B),第一室内热交换器(12),电动膨胀阀(13),第二室内热交换器(14)和 用于冷却的热交换器(5)的散热元件(5B)彼此连接以构成二次制冷剂回路(10)。 从泵(11)喷出的液体制冷剂在热交换器(3)的吸热元件(3B)中蒸发,由电动膨胀阀(13)减压,在第二室内热交换器 (14)。 此后,气体制冷剂在热交换器(5)的放热元件(5B)中被冷凝以进行加热以返回到泵(11)。
    • 2. 发明授权
    • Heat transport system
    • 热运输系统
    • US6065302A
    • 2000-05-23
    • US51796
    • 1998-04-22
    • Shinri SadaYasushi HoriTetsushi Maeda
    • Shinri SadaYasushi HoriTetsushi Maeda
    • F24F5/00F25B1/00F25B13/00F25B25/00F25D17/02F28D15/02F04B19/24
    • F25D17/02F24F5/0003F25B25/005F25B13/00F25B2313/023F25B2400/16
    • A heat exchanger (1) on the secondary heat source, which exchanges heat with a heat exchanger (12) on the primary heat source in a primary cooling circuit (A), is connected with an indoor heat exchanger (3) through a gas pipe (6) and a liquid pipe (7). A tank (T) storing a liquid cooling medium is connected at its lower end to the liquid pipe (7) and its upper end to a pressure adjustment mechanism (18). Check valves (CV1 and CV2) are disposed on both sides of the connecting point of the tank (T) with respect to the liquid pipe (7). The internal pressure of the tank (T) is changed over alternately between a high pressure state and a low pressure state by the pressure adjustment mechanism (18) so that the liquid cooling medium is supplied to the indoor heat exchanger (3) at the time of the high pressure operation, and the liquid cooling medium is recovered from the heat exchanger (1) on the secondary side to the tank (T) and is circulated by a secondary cooling circuit (B) at the time of the low pressure operation.
    • PCT No.PCT / JP96 / 03129 Sec。 371日期:1998年4月22日 102(e)日期1998年4月22日PCT 1996年10月24日PCT公布。 第WO97 / 15799号公报 日期1997年5月1日在一次冷却回路(A)中与主热源的热交换器(12)进行热交换的二次热源上的热交换器(1)与室内热交换器(3)连接, 通过气体管道(6)和液体管道(7)。 存储液体冷却介质的罐(T)的下端与液体管(7)连接,其上端与压力调节机构(18)连接。 止回阀(CV1和CV2)相对于液体管道(7)设置在罐(T)的连接点的两侧。 通过压力调节机构(18),罐(T)的内部压力在高压状态和低压状态之间交替地改变,以便在此时向室内热交换器(3)供给液体冷却介质 的高压运转,并且液体冷却介质从次级侧的热交换器(1)回收到罐(T),并且在低压运转时由二级冷却回路(B)循环。
    • 3. 发明授权
    • Refrigeration apparatus
    • 制冷装置
    • US5490399A
    • 1996-02-13
    • US307700
    • 1994-09-23
    • Shinri Sada
    • Shinri Sada
    • F24F11/02F25B13/00F25B29/00F25B1/10
    • F25B13/00F25B2313/007F25B2313/023F25B2313/0231F25B2313/025F25B2313/02732F25B2313/02743F25B2400/075F25B2600/021Y02B30/741
    • Two outdoor units (2A, 2B) are connected to liquid lines (5A, 5B), respectively, and connected to gas lines (6A, 6B), respectively. Each of the gas lines (6A, 6B) is branched to a high-pressure passage (65, 66) and a low-pressure passage (67, 68). The liquid lines (5A, 5B), the high-pressure passages (65, 66) and the low-pressure passage (67, 68) are connected to a main liquid line (4L), a main high-pressure gas line (4H) and a main low-pressure gas line (4W), respectively, in such a manner that the outdoor units (2A, 2B) are arranged in parallel with each other. Three user units (3, 3, 3) are each connected at an end thereof to the main liquid line (4L) and each connected to the main high-pressure gas line (4H) and the main low-pressure gas line (4W) so as to be switchable between the gas lines (4H, 4W).
    • PCT No.PCT / JP94 / 00365 Sec。 371日期1994年9月23日 102(e)1994年9月23日PCT 1994年3月8日PCT公布。 第WO94 / 20800号公报 两个室外单元(2A,2B)分别连接到液体管线(5A,5B),并分别连接到气体管线(6A,6B)。 每个气体管线(6A,6B)分支到高压通道(65,66)和低压通道(67,68)。 液体管线(5A,5B),高压通道(65,66)和低压通道(67,68)连接到主液体管线(4L),主高压气体管线(4H )和主低压气体管线(4W),使得室外单元(2A,2B)彼此平行地排列。 三个用户单元(3,3,3)的一端分别连接到主液体管线(4L),并且每个连接到主高压气体管线(4H)和主低压气体管线(4W) 以便在气体管线(4H,4W)之间切换。
    • 6. 发明授权
    • Heat transport system
    • 热运输系统
    • US5943879A
    • 1999-08-31
    • US51484
    • 1998-04-17
    • Shinri SadaYasushi HoriOsamu Tanaka
    • Shinri SadaYasushi HoriOsamu Tanaka
    • F25B1/00F24F5/00F25B13/00F25B25/00F25D17/02F25D11/00F25D15/00
    • F24F5/0003F25B13/00F25B25/005F25D17/02F25B2313/025F25B2341/066F25B2600/2513F25B2600/2515
    • A heat exchanger (1) on the secondary heat source, which exchanges heat with a heat exchanger (12) on the primary heat source in a primary cooling circuit (A), is connected with an indoor heat exchanger (3) through a gas pipe (6) and a liquid pipe (7), which are provided with solenoid valves (SV1, SV2), respectively. Only the solenoid valve (SV2) of the liquid pipe (7) is opened at the time of heat radiation of the heat exchanger (12) on the primary side and the liquid cooling medium is supplied from the heat exchanger (1) on the secondary side to the indoor heat exchanger (3) by the high vapor pressure of the cooling medium evaporated from the heat exchanger (1). Only the solenoid valve (SV1) of the gas pipe (6) is opened at the time of heat absorption of the heat exchanger (12) and the gas cooling medium is recovered from the indoor heat exchanger (3) to the heat exchanger (1) by the low vapor pressure of the cooling medium condensed by the heat exchanger (1).
    • PCT No.PCT / JP96 / 03130 Sec。 371日期:1998年4月17日 102(e)日期1998年4月17日PCT 1996年10月24日PCT公布。 公开号WO97 / 15800 PCT 日期1997年1月5日与主冷却回路(A)中的一次热源上的热交换器(12)进行热交换的二次热源上的热交换器(1)与室内热交换器 )通过分别设置有电磁阀(SV1,SV2)的气体管(6)和液体管(7)。 在第一侧的热交换器(12)的散热时,只有液体管(7)的电磁阀(SV2)打开,并且液体冷却介质从二次侧热交换器(1)供给 通过从热交换器(1)蒸发的冷却介质的高蒸气压向室内热交换器(3)侧。 在热交换器(12)的吸热时,只有气体管(6)的电磁阀(SV1)打开,气体冷却介质从室内热交换器(3)回收到热交换器 )通过由热交换器(1)冷凝的冷却介质的低蒸气压。
    • 8. 发明授权
    • Heat transport system
    • 热运输系统
    • US06185953B1
    • 2001-02-13
    • US09507385
    • 2000-02-18
    • Shinri SadaYasushi HoriTetsushi Maeda
    • Shinri SadaYasushi HoriTetsushi Maeda
    • F25B1300
    • F25D17/02F24F5/0003F25B13/00F25B25/005F25B2313/023F25B2400/16
    • A heat exchanger (1) on the secondary heat source, which exchanges heat with a heat exchanger (12) on the primary heat source in a primary cooling circuit (A), is connected with an indoor heat exchanger (3) through a gas pipe (6) and a liquid pipe (7). A tank (T) storing a liquid cooling medium is connected at its lower end to the liquid pipe (7) and its upper end to a pressure adjustment mechanism (18). Check valves (CV1 and CV2) are disposed on both sides of the connecting point of the tank (T) with respect to the liquid pipe (7). The internal pressure of the tank (T) is changed over alternately between a high pressure state and a low pressure state by the pressure adjustment mechanism (18) so that the liquid cooling medium is supplied to the indoor heat exchanger (3) at the time of the high pressure operation, and the liquid cooling medium is recovered from the heat exchanger (1) on the secondary side to the tank (T) and is circulated by a secondary cooling circuit (B) at the time of the low pressure operation.
    • 与主冷却回路(A)中的一次热源上的热交换器(12)进行热交换的二次热源上的热交换器(1)通过气体管道与室内热交换器(3)连接, (6)和液体管(7)。 存储液体冷却介质的罐(T)的下端与液体管(7)连接,其上端与压力调节机构(18)连接。 止回阀(CV1和CV2)相对于液体管道(7)设置在罐(T)的连接点的两侧。 通过压力调节机构(18),罐(T)的内部压力在高压状态和低压状态之间交替地改变,以便在此时向室内热交换器(3)供给液体冷却介质 的高压运转,并且液体冷却介质从次级侧的热交换器(1)回收到罐(T),并且在低压运转时由二级冷却回路(B)循环。
    • 9. 发明授权
    • Oil equalizing operation control device for air conditioner
    • 机油均油运行控制装置
    • US5673570A
    • 1997-10-07
    • US596369
    • 1996-02-22
    • Shinri Sada
    • Shinri Sada
    • F04B39/02F25B13/00F25B31/00F25B1/00
    • F04B39/0207F25B13/00F25B31/002F25B2313/023F25B2313/025F25B2400/075F25B2400/16F25B2600/021Y02B30/741
    • Two outdoor units (2A, 2B) are connected in parallel to a main liquid line (7L) and a main gas line (7G). Three indoor units (3A, 3B, 3C) are connected in parallel to the main liquid line (7L) and the main gas line (7G). The outdoor units (2A, 2B) are each provided with an oil equalization mechanism (9A, 9B) for conducting a surplus out of lubricating oil stored in an oil reserving part (91) provided on the discharge side of a compressor (21) to the suction side of a compressor (21) of another outdoor unit (2A, 2B). In cooling operation, the respective oil equalization mechanisms (9A, 9B) control respective gas bypass passages (95, 96) and respective oil equalizing bypass pipes (93, 94) to open and close them so that lubricating oil flows alternately between the outdoor units (2A, 2B), thereby equalizing lubricating oil. In heating operation, the respective oil equalization mechanisms (9A, 9B) control the respective oil equalizing bypass pipes (93, 94) to open and close them so that lubricating oil flows alternately between the outdoor units (2A, 2B) and hold the downstream sides of the oil equalization mechanisms (9A, 9B) in low pressure condition, thereby equalizing lubricating oil.
    • PCT No.PCT / JP95 / 01230 Sec。 371日期1996年2月22日 102(e)日期1996年2月22日PCT归档1995年6月21日PCT公布。 公开号WO96 / 00872 日期1996年1月11日两个室外单元(2A,2B)并联连接到主液体管线(7L)和主气体管线(7G)。 三个室内单元(3A,3B,3C)与主液体管线(7L)和主气体管线(7G)并联连接。 室外机组2A,2B分别设有油压均衡机构(9A,9B),用于将存储在设置在压缩机(21)的排出侧的储油部(91)的润滑油中剩余 另一个室外机组(2A,2B)的压缩机(21)的吸入侧。 在冷却运转中,各个油均衡机构(9A,9B)控制各个气体旁路通路(95,96)和各个均油旁通管(93,94)打开和关闭它们,使得润滑油在室外单元 (2A,2B),从而使润滑油均衡。 在加热运转中,各油均衡机构(9A,9B)控制各个均油旁通管(93,94)打开和关闭它们,使得润滑油在室外单元(2A,2B)之间交替流动并保持下游 油压均衡机构(9A,9B)的侧面处于低压状态,从而使润滑油均衡。