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公开(公告)号：US5983657A
公开(公告)日：1999-11-16
申请号：US13345
申请日：1998-01-26
CPC分类号： B60H1/3225 , F25B2309/061
摘要： An air conditioning system having an evaporator 8 at a location upstream from a compressor. When a compressor is stopped, a refrigerant inlet is closed by an electromagnetic valve 28 and a refrigerant outlet is closed by a check valve 29. A pressure in the closed passageway is detected by a pressure sensor 22. A leakage of refrigerant at the evaporator is reliably detected, which allows the leakage of the refrigerant to be quickly noticed.
摘要翻译： 一种在压缩机上游位置具有蒸发器8的空调系统。 当压缩机停止时，制冷剂入口被电磁阀28关闭，制冷剂出口由止回阀29关闭。封闭通道中的压力由压力传感器22检测。制冷剂在蒸发器处的泄漏是 可靠地检测，这允许快速注意到制冷剂的泄漏。
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公开(公告)号：US6000233A
公开(公告)日：1999-12-14
申请号：US150318
申请日：1998-09-09
IPC分类号： F25B1/00 , C10M145/24 , C10M171/00 , C10N40/30 , F25B9/00 , F25B31/00 , F25B43/00 , F25B41/00
CPC分类号： F25B31/002 , C10M171/008 , F25B43/006 , F25B9/008 , C10M2209/00 , C10M2209/02 , C10M2209/10 , C10M2209/103 , F25B2309/061
摘要： In a CO.sub.2 refrigerant cycle, a lubricating oil for a compressor has a compatibility relative to CO.sub.2 refrigerant, and the compatibility of the lubricating oil relative to the CO.sub.2 refrigerant at a pressure lower than a critical pressure of the CO.sub.2 refrigerant is lower than that at a pressure higher than the critical pressure of the CO.sub.2 refrigerant. Thus, in a low-pressure side such as an accumulator of the CO.sub.2 refrigerant cycle, because a liquid lubricating oil is separated with a liquid CO.sub.2 refrigerant, only the lubricating oil can be readily introduced into a suction side of the compressor, and it can prevent the liquid CO.sub.2 refrigerant from being sucked into the compressor. As a result, it can prevent a damage to the compressor while preventing deterioration of coefficient of performance of the CO.sub.2 refrigerant cycle.
摘要翻译： 在二氧化碳制冷剂循环中，用于压缩机的润滑油具有相对于二氧化碳制冷剂的相容性，并且在低于二氧化碳制冷剂的临界压力的压力下，润滑油相对于二氧化碳制冷剂的相容性低于二氧化碳制冷剂 压力高于CO2制冷剂的临界压力。 因此，在CO 2制冷剂循环的蓄压器等低压侧，由于液体润滑油与液体CO 2制冷剂分离，所以只能将润滑油引入压缩机的吸入侧， 防止液体CO2制冷剂被吸入压缩机。 结果，能够防止压缩机的损坏，同时防止二氧化碳制冷剂循环的性能系数的劣化。
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公开(公告)号：US06370896B1
公开(公告)日：2002-04-16
申请号：US09441965
申请日：1999-11-17
申请人： Hisayoshi Sakakibara , Shin Nishida , Masahiko Ito , Kenichi Fujiwara , Tomoaki Kobayakawa , Kazutoshi Kusakari , Michiyuki Saikawa
发明人： Hisayoshi Sakakibara , Shin Nishida , Masahiko Ito , Kenichi Fujiwara , Tomoaki Kobayakawa , Kazutoshi Kusakari , Michiyuki Saikawa
IPC分类号： F25D1702
CPC分类号： F25B40/06 , F24H4/04 , F25B9/008 , F25B30/02 , F25B40/00 , F25B2309/061 , F25B2339/047 , F25B2600/0253 , F25B2600/17 , F25B2600/2501 , F25B2700/21151 , F25B2700/21161 , Y02B30/741
摘要： A hot water supply system wherein a flow of a refrigerant on a high-pressure side of a supercritical heat pump cycle and a flow of hot water are oppositely directed, and wherein water heated by the refrigerant on the high-pressure side is stored in heat insulating tanks of a vacuous and double structure. Water is heated with heat absorbed from the atmosphere and by the supercritical heat pump cycle having a high heat exchange efficiency &eegr;, to reduce the power required to heat the water. Therefore, hot water can be generated even in the daytime during peak power rates. Accordingly, because it is unnecessary to store hot water for daytime use in insulated tanks, system space requirements are reduced.
摘要翻译： 一种热水供应系统，其中超临界热泵循环的高压侧的制冷剂的流动和热水的流动相反地指向，并且其中由高压侧的制冷剂加热的水储存在热 真空和双重结构的绝缘罐。 用大气吸收的热量和具有高热交换效率η的超临界热泵循环对水进行加热，以减少加热水所需的功率。 因此，即使在峰值功率时的白天，也可能产生热水。 因此，由于不需要在绝热罐中储存白天用的热水，因此减少了系统空间要求。
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公开(公告)号：US06494051B2
公开(公告)日：2002-12-17
申请号：US09969249
申请日：2001-10-01
申请人： Hisayoshi Sakakibara , Shin Nishida , Masahiko Ito , Kenichi Fujiwara , Tomoaki Kobayakawa , Kazutoshi Kusakari , Michiyuki Saikawa
发明人： Hisayoshi Sakakibara , Shin Nishida , Masahiko Ito , Kenichi Fujiwara , Tomoaki Kobayakawa , Kazutoshi Kusakari , Michiyuki Saikawa
IPC分类号： F25B4104
CPC分类号： F25B40/06 , F24H4/04 , F25B9/008 , F25B30/02 , F25B40/00 , F25B2309/061 , F25B2339/047 , F25B2600/0253 , F25B2600/17 , F25B2600/2501 , F25B2700/21151 , F25B2700/21161 , Y02B30/741
摘要： A hot water supply system wherein a flow of a refrigerant on a high-pressure side of a supercritical heat pump cycle and a flow of hot water are oppositely directed, and wherein water heated by the refrigerant on the high-pressure side is stored in heat insulating tanks of a vacuous and double structure. Water is heated with heat absorbed from the atmosphere and by the supercritical heat pump cycle having a high heat exchange efficiency &eegr;, to reduce the power required to heat the water. Therefore, hot water can be generated even in the daytime during peak power rates. Accordingly, because it is unnecessary to store hot water for daytime use in insulated tanks, system space requirements are reduced.
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公开(公告)号：US5890370A
公开(公告)日：1999-04-06
申请号：US789210
申请日：1997-01-24
CPC分类号： C09K5/041 , F25B13/00 , F25B41/062 , F25B9/008 , G05D16/0619 , G05D16/0644 , C09K2205/106 , F25B2309/061 , F25B2313/0314 , F25B2341/063 , F25B2341/0653 , F25B2600/0253 , F25B2600/17 , F25B2700/2104 , Y02B30/72 , Y02P20/124 , Y02P20/544
摘要： A refrigerating system of vapor compression type operating at a super critical area, while obtaining an increased efficiency. The refrigerating system includes a pressure control means for controlling the temperature and the pressure at the outlet of a heat emitter. The pressure control valve responds to a pressure difference between the inlet pressure of the refrigerant to the pressure control valve and the pressure in an outwardly sealed chamber in which the refrigerant is filled such that, with respect to the volume of the chamber under closed condition of the pressure control valve, a density of the refrigerant is in a range between a density of a saturated liquid at a temperature of 0.degree. C. and a density at the critical point of the refrigerant. As a result, the pressure and the temperature at the outlet of the heat emitter is controlled substantially along the optimum control line .eta.max, resulting in an effective execution of a refrigerating cycle at the critical area.
摘要翻译： 一种在超临界区域工作的蒸汽压缩式制冷系统，同时获得更高的效率。 制冷系统包括用于控制发热体出口处的温度和压力的压力控制装置。 压力控制阀响应于制冷剂与压力控制阀的入口压力之间的压力差和在其中填充制冷剂的向外密封的室中的压力，使得相对于在闭合状态下的室的体积 压力控制阀，制冷剂的密度在0℃的饱和液体的密度与制冷剂的临界点的密度之间的范围内。 结果，发热体出口处的压力和温度基本上沿着最佳控制线eta max被控制，从而在关键区域有效地执行制冷循环。
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公开(公告)号：US5918475A
公开(公告)日：1999-07-06
申请号：US722607
申请日：1996-09-27
申请人： Hisayoshi Sakakibara , Shin Nishida
发明人： Hisayoshi Sakakibara , Shin Nishida
CPC分类号： B60H1/008 , B60H1/00978 , B60H1/3225 , F25B2400/12
摘要： According to the present invention, when leakage of refrigerant is detected during operation of an air conditioning apparatus for a vehicle, air outlets for a passenger and a solenoid valve for an air passage are closed. Accordingly, a compressor is stopped after a predetermined time has elapsed since the solenoid valve is closed. In this way, refrigerant within an evaporator is sucked and discharged. Consequently, an amount of refrigerant leaking from an air conditioner casing due to damage of the evaporator can be reduced.
摘要翻译： 根据本发明，在车辆用空调装置的运转中检测到制冷剂的泄漏时，乘客的出风口和空气通路的电磁阀被封闭。 因此，从电磁阀关闭起经过了规定时间后，压缩机停止。 以这种方式，蒸发器内的制冷剂被吸入和排出。 因此，可以减少由于蒸发器的损坏而从空调壳体泄漏的制冷剂量。
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公开(公告)号：US5660051A
公开(公告)日：1997-08-26
申请号：US706674
申请日：1996-09-06
申请人： Hisayoshi Sakakibara , Shin Nishida
发明人： Hisayoshi Sakakibara , Shin Nishida
CPC分类号： B60H1/00764 , B60H1/3208
摘要： In an air conditioner according to the present invention, the first and second electromagnetic valves are disposed at the outlet port and the inlet port of the condenser, which is disposed at a position away from the passenger compartment and may be easily damaged by the outer force when the vehicle collides. The first and second electromagnetic valves are closed when the outer force applied to the vehicle is equal to a predetermined value or more. In this way, an amount of leaking refrigerant is as much as the amount accumulated in the air conditioning devices at most, thus making it possible to reduce the leakage of the refrigerant.
摘要翻译： 在根据本发明的空调中，第一和第二电磁阀设置在冷凝器的出口和入口处，其设置在远离乘客室的位置，并且可能容易地被外力损坏 车辆碰撞时。 当施加到车辆的外力等于或大于预定值时，第一和第二电磁阀关闭。 以这种方式，泄漏的制冷剂的量与空调装置中积累的量一样多，从而可以减少制冷剂的泄漏。
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公开(公告)号：US06477857B2
公开(公告)日：2002-11-12
申请号：US09805414
申请日：2001-03-13
申请人： Hirotsugu Takeuchi , Kazuhisa Makida , Yoshitaka Kume , Hiroshi Ishikawa , Kunio Iritani , Satoshi Nomura , Hisayoshi Sakakibara , Makoto Ikegami
发明人： Hirotsugu Takeuchi , Kazuhisa Makida , Yoshitaka Kume , Hiroshi Ishikawa , Kunio Iritani , Satoshi Nomura , Hisayoshi Sakakibara , Makoto Ikegami
IPC分类号： F25B106
CPC分类号： F25B41/00 , B60H2001/3298 , F25B9/008 , F25B29/003 , F25B40/00 , F25B2309/061 , F25B2339/047 , F25B2341/0011 , F25B2341/0012 , F25B2341/0013 , F25B2341/063 , F25B2400/23 , F25B2500/01 , F25B2500/18 , F25B2600/025 , F25B2600/0253 , F25B2600/17 , F25B2700/21174 , F25B2700/21175
摘要： In an ejector cycle system using carbon dioxide as refrigerant, an ejector decompresses and expands refrigerant from a radiator to suck gas refrigerant evaporated in an evaporator, and converts an expansion energy to a pressure energy to increase a refrigerant pressure to be sucked into a compressor. Because refrigerant is decompressed and expanded in a super-critical area, a pressure difference during the decompression operation becomes larger, and a specific enthalpy difference becomes larger. Accordingly, energy converting efficiency in the ejector becomes higher, and efficiency of the ejector cycle system is improved.
摘要翻译： 在使用二氧化碳作为制冷剂的喷射器循环系统中，喷射器将制冷剂从散热器减压并膨胀，以吸入在蒸发器中蒸发的制冷剂，并将膨胀能转化为压力能量，以增加要吸入压缩机的制冷剂压力。 由于制冷剂在超临界区域减压膨胀，所以减压运转时的压差变大，比焓差变大。 因此，喷射器中的能量转换效率变高，喷射器循环系统的效率提高。
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公开(公告)号：US5515695A
公开(公告)日：1996-05-14
申请号：US398131
申请日：1995-03-03
CPC分类号： F25B41/062 , F25B2341/0681 , F25B2341/0682
摘要： An adsorbent enclosed in a gas control tube communicating with a thermosensitive tube of an expansion valve via a capillary tube adsorbs a refrigerant gas enclosed in the hermetically sealed space from a thermosensitive tube to a gas control tube. When this is heated by an electric heater, there is discharge of the refrigerant gas that was adsorbed up to then so that passage of current to the electric heater stops and there is adsorption of the refrigerant gas at normal temperature to a saturation state. As a result, if the electric current to the electric heater is stopped so that the adsorbent adsorbs the refrigerant gas, the pressure in the thermosensitive chamber (hermetically sealed space) drops and an expansion valve closes completely.
摘要翻译： 通过毛细管封闭在与膨胀阀的热敏管连通的气体控制管中的吸附剂将封闭在密封空间中的制冷剂气体从热敏管吸附到气体控制管。 当通过电加热器加热时，吸附的制冷剂气体排出，从而使通向电加热器的电流停止，并使常压下的制冷剂气体吸附至饱和状态。 结果，如果停止向电加热器的电流，使得吸附剂吸附制冷剂气体，则热敏室（气密密封空间）中的压力下降并且膨胀阀完全关闭。
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公开(公告)号：US20050022542A1
公开(公告)日：2005-02-03
申请号：US10901470
申请日：2004-07-28
申请人： Hisayoshi Sakakibara
发明人： Hisayoshi Sakakibara
CPC分类号： F24D19/1054 , F24D2220/042 , F24D2240/26 , Y02B30/52
摘要： When heating up the water in the lower inner part of a hot water tank by a heat pump unit, a control unit stops the heat-up operation while leaving the hot water in an amount corresponding to the residual water capacity in the hot water tank detected by water level thermistors. In the heat-up operation in the hot water tank, the residual hot water capacity in the tank is first detected, then the heat-up operation is stopped when the residual hot water reaches an amount corresponding to the detected residual hot water capacity. At this point, the hot water is stored so that the hot water newly heated up by the heat pump unit is laid above the residual hot water for the preceding day. Consequently, the reduction in the operating efficiency of the heat pump cycle is prevented without supplying the medium-temperature residual hot water to a condenser.
摘要翻译： 当通过热泵单元对热水箱的下部内部部分的水进行加热时，控制单元停止加热操作，同时留下与检测到的热水箱中的残余水容量相对应的热水 由水位热敏电阻。 在热水箱的升温运转中，首先检测罐内的残留热水容量，然后当残留热水达到与检测到的残留热水容量对应的量时，停止加热运转。 此时，热水被储存，使得热泵单元新加热的热水被放置在前一天的残余热水上方。 因此，不将中温残余热水供给到冷凝器，可以防止热泵循环的运转效率的降低。
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