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    • 2. 发明专利
    • Engine drive type heat pump
    • 发动机驱动型热泵
    • JP2007078268A
    • 2007-03-29
    • JP2005267321
    • 2005-09-14
    • Yanmar Co Ltdヤンマー株式会社
    • MASUDA TAKAHIKOFUKUTOME JIROSHINOMIYA MASAFUMIMIZUNO IKUOSAWADA HIROSHI
    • F25B13/00F25B1/00F25B27/00F25B41/04
    • PROBLEM TO BE SOLVED: To provide a cooling/heating simultaneous operation type engine drive heat pump for preventing refrigerant stagnation in a circuit at the time of a cooling/heating simultaneous operation. SOLUTION: The engine drive type heat pump 100 is composed of: an outdoor unit 31 equipped with a compressor 2 driven by an engine 1, a plurality of outdoor heat exchangers 5, 6, four-way valves of a number corresponding to the number of the outdoor heat exchangers 5, 6, and a receiver 13; a plurality of indoor units 32, 33 each equipped with indoor heat exchangers 7, 8, and expansion valves 9, 10 for the heat exchangers. Each of the four-way valves 3, 4 are connected to two courses connected to an intake pipe 52, a course connected to the indoor heat exchangers 5, 6 gas side corresponding thereto, and to a discharge pipe 51, pressure control parts 63, 64 are provided to one of the two connecting courses to the intake pipe 52 which communicates with the discharge pipe 51. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种制冷/加热同时操作型发动机驱动热泵,用于在冷/暖同时操作时防止制冷剂停滞在电路中。 发动机驱动型热泵100由以下部件构成:室内机31,配备有由发动机1驱动的压缩机2,多个室外热交换器5,6,与四通阀相对应的四通阀 室外热交换器5,6和接收器13的数量; 多个室内机32,33分别配置有室内热交换器7,8和用于热交换器的膨胀阀9,10。 四通阀3,4中的每一个连接到与进气管52连接的两个过程,连接到与其对应的室内热交换器5,6的气流侧,并且连接到排出管51,压力控制部63, 64设置到与排出管51连通的进气管52的两个连接路径中的一个。(C)2007,JPO&INPIT
    • 3. 发明专利
    • Engine-driven type heat pump provided with operation mode for cleaning pipe arrangement connecting indoor unit and outdoor unit, and its operation method
    • 发动机型热泵提供操作模式,用于清洁管道装置连接室内单元和户外单元及其操作方法
    • JP2007127325A
    • 2007-05-24
    • JP2005320110
    • 2005-11-02
    • Yanmar Co Ltdヤンマー株式会社
    • MIZUNO IKUOMASUDA TAKAHIKOSAWADA HIROSHISHINOMIYA MASAFUMI
    • F28G9/00F25B1/00
    • F25B2400/19
    • PROBLEM TO BE SOLVED: To improve piping cleaning capacity of an engine-driven type heat pump.
      SOLUTION: The engine-driven type heat pump 1 has the connection pipe arrangements 50, 51 having closing valves 40, 41 controlling communication between a plurality of indoor units 3 and the outdoor unit 2, and it is provided with an operation mode recovering a refrigerant of the outdoor unit 2 in a receiver 14 or an outdoor heat exchanger 12 in closed states of the closing valves 40, 41, an operation mode completely opening indoor heat exchanger expansion valves 23 of all indoor units in opened states of the closing valves 40, 41, circulating the refrigerant in the same path as in cooling operation, and carrying out refrigerant evaporation by a waste heat recovery unit 15, and an operation mode completely closing the indoor heat exchanger expansion valves 23 of all indoor units 3 in opened states of the closing valves 40, 41, sucking in the refrigerant in the gas side connection pipe arrangement 51, and carrying out refrigerant evaporation by the waste heat recovery unit 15.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提高发动机驱动型热泵的管道清洗能力。 解决方案:发动机驱动型热泵1具有连接管路装置50,51,其具有控制多个室内机3与室外机2之间的连通的关闭阀40,41,并具有操作模式 在关闭阀40,41的关闭状态下将接收器14或室外热交换器12中的室外机2的制冷剂回收到关闭状态下的全部室内单元的室内热交换器膨胀阀23的运转模式 阀40,41使制冷剂循环在与制冷运转相同的路径中,并且通过废热回收单元15进行制冷剂蒸发,以及将打开的所有室内单元3的室内热交换器膨胀阀23完全关闭的运转模式 关闭阀40,41的状态,吸入气体侧连接管装置51中的制冷剂,并且通过废热回收单元15进行制冷剂蒸发。 右:(C)2007,JPO&INPIT
    • 4. 发明专利
    • Engine-driven heat pump
    • 发动机驱动热泵
    • JP2006250437A
    • 2006-09-21
    • JP2005067506
    • 2005-03-10
    • Yanmar Co Ltdヤンマー株式会社
    • OTA YOSHIKAZUMISAWA MAKOTOFUJII MASAHIKOMASUDA TAKAHIKO
    • F24F11/02F25B1/00F25B27/00
    • PROBLEM TO BE SOLVED: To provide an engine-driven heat pump for suppressing the intrusion of refrigerant into a compressor during stoppage by applying warm-up operation in an engine room. SOLUTION: The engine-driven heat pump comprises an engine 22 and two compressors 2a, 2b stored in the engine room 43. During light load operation with one compressor 2b (or 2a), a ventilating fan 19 in the engine room is stopped for temperature rise in the engine room with the exhaust heat of the engine to suppress the intrusion of the refrigerant into the compressor 2a(or 2b). COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种发动机驱动的热泵,用于通过在发动机室中进行预热操作来抑制制冷剂在停机期间侵入压缩机。 发动机驱动的热泵包括发动机22和存储在发动机室43中的两个压缩机2a,2b。在通过一个压缩机2b(或2a)的轻负荷运行期间,发动机室中的通风扇19 停止发动机室的温度上升,发动机的排气热量抑制制冷剂进入压缩机2a(或2b)的侵入。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • engine
    • 发动机
    • JP2011074896A
    • 2011-04-14
    • JP2009229955
    • 2009-10-01
    • Yanmar Co Ltdヤンマー株式会社
    • KANAI HIDEKIMASUDA TAKAHIKOOTA EIJI
    • F01N13/14F01N3/02F01N13/10
    • PROBLEM TO BE SOLVED: To provide an engine which is easily manufacturable and in which the pressure loss of exhaust gas is not produced and the surface temperatures of exhaust system parts are reduced. SOLUTION: This engine 1 comprises a plurality of cylinders and a water-cooled exhaust manifold 10 which is connected to the cylinders. A deodorizing catalyst unit 30 is disposed on the downstream side of the water-cooled exhaust manifold 10. A heat transfer plate 60 is wrapped around all the periphery of the side surface of the deodorizing catalyst unit 30, and the heat transfer plate 60 is supported by the water-cooled exhaust manifold. Heat insulating materials 71, 72 are provided between the heat transfer plate 60 and the deodorizing catalyst unit 30 and to the outer periphery of the heat transfer plate 60, respectively. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种容易制造并且不产生废气的压力损失并且排气系统部件的表面温度降低的发动机。 解决方案:该发动机1包括多个气缸和连接到气缸的水冷排气歧管10。 除臭催化剂单元30设置在水冷式排气歧管10的下游侧。传热板60缠绕在除臭催化剂单元30的侧表面的全部周围,并且传热板60被支撑 通过水冷排气歧管。 隔热材料71,72分别设置在传热板60和除臭催化剂单元30之间以及传热板60的外周。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Engine drive type heat pump comprising refrigerant filling circuit
    • 包含制冷剂填充电路的发动机驱动型热泵
    • JP2007127326A
    • 2007-05-24
    • JP2005320111
    • 2005-11-02
    • Yanmar Co Ltdヤンマー株式会社
    • MIZUNO IKUOMASUDA TAKAHIKOSAWADA HIROSHISHINOMIYA MASAFUMI
    • F25B27/02F25B45/00
    • Y02A30/274
    • PROBLEM TO BE SOLVED: To protect a wet operation in a refrigerant sudden change operation of an engine drive type heat pump, and to improve reliability in filling an appropriate amount of refrigerant. SOLUTION: In this engine drive type heat pump 1 having a compressor 10 by driving of an engine, and a waste heat recovering unit 15 for evaporating a refrigerant by waste heat of the engine, a refrigerant filling circuit 69 having a refrigerant filling solenoid valve 31 and a charge valve 42 is joined with an upstream-side path of the waste heat recovering unit 15, and a refrigerant relief circuit 68 is branched to a discharge path of the compressor 10 from a path connecting the refrigerant filling solenoid valve 31 and the charge valve 42 of the refrigerant filling circuit 69. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了保护发动机驱动型热泵的制冷剂突然变换操作中的湿式操作,并提高填充适量制冷剂的可靠性。 解决方案:在具有通过发动机驱动的压缩机10的发动机驱动型热泵1和用于通过发动机的余热使制冷剂蒸发的废热回收单元15中,制冷剂填充回路69具有制冷剂填充 电磁阀31和充气阀42与废热回收单元15的上游侧路径连接,并且制冷剂释放回路68从连接制冷剂填充电磁阀31的路径分支到压缩机10的排出路径 和制冷剂填充回路69的充气阀42。版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Waste heat recovering unit communication path of engine drive type heat pump
    • 发动机驱动型热泵的废热回收单元通信路径
    • JP2007127328A
    • 2007-05-24
    • JP2005320113
    • 2005-11-02
    • Yanmar Co Ltdヤンマー株式会社
    • MIZUNO IKUOMASUDA TAKAHIKOSAWADA HIROSHISHINOMIYA MASAFUMI
    • F25B47/00F24F5/00F25B27/02
    • Y02A30/274Y02B30/52
    • PROBLEM TO BE SOLVED: To provide a circuit capable of using a waste heat recovering unit as an evaporator in a piping cleaning operation, though an outdoor heat exchanger and the waste heat recovering unit are arranged in parallel, in an engine drive type heat pump. SOLUTION: In this engine drive type heat pump 1 which has a compressor 10 by driving of an engine, and a waste heat recovering unit 15 evaporating a refrigerant by waste heat of the engine, and in which the waste heat recovering unit 15 and the outdoor heat exchanger 12 are disposed in parallel, a waste heat recovering unit connecting path 64 reaching an upstream side of the waste heat recovering unit and having a solenoid valve 33 for connecting the waste heat recovering unit, is branched from a path reaching a suction side of the compressor 10. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供一种在管道清洁操作中能够使用废热回收单元作为蒸发器的电路,尽管室外热交换器和废热回收单元并联布置,但是在发动机驱动型 热泵。 解决方案:在该发动机驱动型热泵1中,其通过发动机的驱动而具有压缩机10,废热回收单元15通过发动机的余热将制冷剂蒸发,并且其中废热回收单元15 室外热交换器12并列设置,到达废热回收单元的上游侧的废热回收单元连接路径64和具有用于连接废热回收单元的电磁阀33从通向达到 压缩机10的吸入侧。版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • High pressure rise preventing means of engine drive type heat pump
    • 发动机驱动型热泵的高压上升预防措施
    • JP2007127327A
    • 2007-05-24
    • JP2005320112
    • 2005-11-02
    • Yanmar Co Ltdヤンマー株式会社
    • MIZUNO IKUOMASUDA TAKAHIKOSAWADA HIROSHISHINOMIYA MASAFUMI
    • F25B27/00F25B1/00F25B49/02
    • PROBLEM TO BE SOLVED: To improve reliability of a high pressure rise preventing means of an existing connecting piping and to improve versatility to enable use in both cooling operation and heating operation, in regard to an engine drive type heat pump in transferring to HFC refrigerant. SOLUTION: This engine drive type heat pump 1 having a compressor 10 by driving of an engine, a receiver 14 for storing a liquid refrigerant, and a four-way valve 20 capable of connecting a discharge path with an outdoor heat exchanger or an indoor heat exchanger, further comprises a bypass path 66 provided with a bypass solenoid valve 32 on the way, connected with the discharge path 60 at its one end, and connected with a suction path 61 at the other end, a first pressure switch 97 disposed on a path connecting the four-way valve 20 and the indoor heat exchanger 13, a second pressure switch 96 disposed on a path connecting the receiver and the indoor heat exchanger, and a high pressure rise preventing means opening the bypass solenoid valve 32 when the first pressure switch 97 or the second pressure switch 96 becomes more than a prescribed value. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提高现有连接配管的高压上升防止装置的可靠性,并且为了在冷却运转和制热运转中使用,提高多功能性方面,关于发动机驱动型热泵转移到 HFC制冷剂。 解决方案:该发动机驱动型热泵1具有通过驱动发动机的压缩机10,用于储存液体制冷剂的接收器14和能够将排放路径与室外热交换器连接的四通阀20, 一个室内热交换器,还包括一个旁通通路66,旁路通路66设置在旁路电磁阀32的一端,与旁路电磁阀一端连接,另一端连接有一个吸入通道61,一个第一压力开关97 设置在连接四通阀20和室内热交换器13的路径上,设置在连接接收器和室内热交换器的路径上的第二压力开关96和当旁路电磁阀32打开时的高压上升防止装置 第一压力开关97或第二压力开关96变得超过规定值。 版权所有(C)2007,JPO&INPIT