公开(公告)号：US20120192581A1

公开(公告)日：2012-08-02

申请号：US13499834

申请日：2011-01-07

申请人： Tsukasa Kasagi ,  Seiji Hiramatsu ,  Tetsuo Tsuji

发明人： Tsukasa Kasagi ,  Seiji Hiramatsu ,  Tetsuo Tsuji

IPC分类号： F25B41/00

CPC分类号： F25B43/02 ,  F25B31/004 ,  F25B2500/16 ,  F25B2700/2106

摘要： In an air conditioner provided with an oil-return-operation control portion that performs an oil-return operation, when oil-return conditions are satisfied, by controlling the rotational speed of a compressor, the degree of opening of an expansion valve, etc., with a predetermined refrigerant cycle and provided with high-outdoor-air-temperature oil-return operation means for performing a forced oil-return operation via the oil-return-operation control portion when an outdoor temperature increases and a state in which a detection value of an outdoor air temperature sensor is higher than a set value continues for a predetermined period of time, the oil-return operation is prohibited for a certain period of time after performing the forced oil-return operation via the high-outdoor-air-temperature oil-return operation means.

摘要翻译： 在具有进行回油运转的回油运转控制部的空调机中，通过控制压缩机的转速，膨胀阀等的开度等来满足回油条件 具有预定的制冷剂循环，并且设置有高室外空气温度回油操作装置，用于当室外温度升高时通过回油操作控制部分进行强制回油操作，以及检测 室外空气温度传感器的值高于设定值持续预定时间段，在通过高室外空气温度传感器进行强制回油操作之后，在一段时间内禁止回油操作， 温度回油操作手段。

公开(公告)号：US09285148B2

公开(公告)日：2016-03-15

申请号：US13499834

申请日：2011-01-07

申请人： Tsukasa Kasagi ,  Seiji Hiramatsu ,  Tetsuo Tsuji

发明人： Tsukasa Kasagi ,  Seiji Hiramatsu ,  Tetsuo Tsuji

IPC分类号： F25B31/00 ,  F25B43/02

CPC分类号： F25B43/02 ,  F25B31/004 ,  F25B2500/16 ,  F25B2700/2106

摘要： In an air conditioner provided with an oil-return-operation control portion that performs an oil-return operation, when oil-return conditions are satisfied, by controlling the rotational speed of a compressor, the degree of opening of an expansion valve, etc., with a predetermined refrigerant cycle and provided with high-outdoor-air-temperature oil-return operation means for performing a forced oil-return operation via the oil-return-operation control portion when an outdoor temperature increases and a state in which a detection value of an outdoor air temperature sensor is higher than a set value continues for a predetermined period of time, the oil-return operation is prohibited for a certain period of time after performing the forced oil-return operation via the high-outdoor-air-temperature oil-return operation means.

摘要翻译： 在具有进行回油运转的回油运转控制部的空调机中，通过控制压缩机的转速，膨胀阀等的开度等来满足回油条件 具有预定的制冷剂循环，并且设置有高室外空气温度回油操作装置，用于当室外温度升高时通过回油操作控制部分进行强制回油操作，以及检测 室外空气温度传感器的值高于设定值持续预定时间段，在通过高室外空气温度传感器进行强制回油操作之后，在一段时间内禁止回油操作， 温度回油操作手段。

公开(公告)号：US06883342B2

公开(公告)日：2005-04-26

申请号：US10175801

申请日：2002-06-21

申请人： Tadahiro Kato ,  Tsukasa Kasagi

发明人： Tadahiro Kato ,  Tsukasa Kasagi

IPC分类号： F24F1/00 ,  F25B13/00 ,  F25B27/00 ,  F25B30/00 ,  F25B30/06

CPC分类号： F25B30/06 ,  F25B13/00 ,  F25B27/00 ,  F25B2313/007 ,  F25B2313/0231 ,  F25B2313/0252 ,  F25B2313/02531 ,  F25B2313/02533 ,  F25B2313/02743 ,  F25B2327/00 ,  F25B2400/19 ,  F25B2500/24 ,  F25B2700/21151

摘要： There is provided a multiform gas heat pump type of air conditioning system having: a plurality of indoor units that are each provided with an indoor heat exchanger and that perform a heat exchange between air inside a room and refrigerant; an outdoor unit provided with a compressor driven by a gas engine and an outdoor heat exchanger for performing a heat exchange between outside air and the refrigerant; and a split flow control unit for controlling a flow direction of the refrigerant in each of the indoor units and for performing a selection switching between cooling and heating operations. The outdoor heat exchanger that switches selection between cooling and heating operations is divided into a plurality of units that are connected in parallel and there is also provided a refrigerant supply switching means that controls the refrigerant flow in each of the divided portions of the outdoor heat exchanger.

摘要翻译： 提供一种多气体热泵式空调系统，具有：多个室内机，分别设有室内热交换器，并进行室内空气与制冷剂的热交换; 设置有由燃气发动机驱动的压缩机的室外机和用于进行外部空气和制冷剂之间的热交换的室外热交换器; 以及分流控制单元，用于控制每个室内单元中的制冷剂的流动方向，并且用于执行冷却和加热操作之间的选择切换。 将在冷热运转之间进行切换的室外热交换器分成并联连接的多个单元，还设置有制冷剂供给切换单元，其控制室外热交换器的各个分割部的制冷剂流 。

公开(公告)号：US06735969B2

公开(公告)日：2004-05-18

申请号：US10209271

申请日：2002-08-01

申请人： Tsukasa Kasagi ,  Hiraku Kunita ,  Ryuji Morishima ,  Kazuo Yamagishi

发明人： Tsukasa Kasagi ,  Hiraku Kunita ,  Ryuji Morishima ,  Kazuo Yamagishi

IPC分类号： G05D2300

CPC分类号： F25B27/00 ,  F25B13/00 ,  F25B41/04 ,  F25B2313/0213 ,  F25B2313/0233 ,  F25B2313/0252 ,  F25B2313/0253 ,  F25B2327/00 ,  F25B2500/31 ,  Y02P80/152

摘要： In order to enhance air heating capacity during low outdoor air temperature, a gas heat pump type air conditioning device comprises a compression device having a gas engine driving source and forming a refrigerating cycle by circulating a refrigerant, an engine-coolant-water system, a channel change switching device, a bypass channel which is provided with the channel change switching device in the engine-coolant-water system downstream of the gas engine, and an engine-coolant-water heating device provided in the bypass channel, and waste heat exhausted from the gas engine is collected in the engine-coolant-water, and the refrigerant is heated by the engine-coolant-water so as to enhance air-heating-capacity.

摘要翻译： 为了在室外空气温度低的情况下提高空气制热能力，气体热泵式空调装置包括具有燃气发动机驱动源的压缩装置，通过循环制冷剂形成制冷循环，发动机冷却水系统， 通道切换开关装置，在燃气发动机下游的发动机冷却水系统中设置有通道切换切换装置的旁通通路，以及设置在旁通通路中的发动机冷却水加热装置，废热排出 来自燃气发动机的发动机被收集在发动机冷却水中，制冷剂被发动机 - 冷却水加热，从而提高空气的制热能力。