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    • 4. 发明专利
    • Air conditioning device
    • 空调设备
    • JP2010054094A
    • 2010-03-11
    • JP2008217796
    • 2008-08-27
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • TATEISHI HIROKIHIROE TAKAHARUFUKUSHIMA AKIRAWAJIMA KAZUYOSHIUEDA KENJI
    • F25B1/00F25B1/053
    • PROBLEM TO BE SOLVED: To provide a turbo refrigerating machine improved in operational efficiency by properly adjusting an opening of an expansion valve.
      SOLUTION: An opening command section 130 determines a command opening cv to control the opening of the expansion valve 104 on the throttled side on the basis of refrigerant pressure P of a condenser, refrigerant pressure P2 of an evaporator, a cold water inlet temperature Ti of the cold water flowing into the evaporator, and a cold water outlet temperature To of the cold water flowing out from the evaporator. As the expansion valve 104 is controlled on the throttled side according to a value of the command opening cv, when a liquid level of the refrigerant of the evaporator is not significantly lowered, generation of gas inclusion caused by significant lowering of the liquid level of the refrigerant of the condenser is prevented. When a degree of superheat rises and heat-transfer coefficient is lowered as the liquid level of the refrigerant of the evaporator is significantly lowered, the opening of the expansion valve 104 is corrected on the opened side on the basis of a correction coefficient "a". Thus degradation of heat exchanging efficiency and operational efficiency caused by significant rise of the liquid level of the refrigerant of the condenser and significant lowering of the liquid level of the refrigerant in the evaporator, is prevented.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:通过适当调节膨胀阀的开度来提供提高操作效率的涡轮制冷机。 解决方案:打开指令部分130基于冷凝器的制冷剂压力P,蒸发器的制冷剂压力P2,冷却水入口(C),确定开度cv来控制膨胀阀104在节流侧的开度 流入蒸发器的冷水的温度Ti和从蒸发器流出的冷水的冷水出口温度To。 当膨胀阀104根据指令开度cv的值控制在节流侧时,当蒸发器的制冷剂的液位没有显着降低时,由于液面的显着降低而产生气体夹杂 防止了冷凝器的制冷剂。 当蒸发器的制冷剂的液位显着降低,当过热度上升和传热系数降低时,基于校正系数“a”,在开放侧校正膨胀阀104的开度, 。 因此,能够防止冷凝器的制冷剂的液面的显着上升引起的热交换效率和作业效率的降低,并且能够显着降低蒸发器中的制冷剂的液面。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Turbo refrigerating machine, and its hot gas bypassing method
    • 涡轮制冷机及其热气旁路方法
    • JP2007232259A
    • 2007-09-13
    • JP2006052573
    • 2006-02-28
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • FUKUSHIMA AKIRASHIRAKATA YOSHINORISATO TATSUYA
    • F25B1/053F04D27/00F04D27/02F25B1/00
    • PROBLEM TO BE SOLVED: To provide a turbo refrigerating machine and its hot gas bypassing method capable of avoiding surging of a multistage compressor and reducing power of the multistage compressor. SOLUTION: For example, a composition is comprised by communicating a discharge side of a second stage compressor 23 with intake sides of compressors 22, 23 of two stages via a hot gas bypass valve 44 for the first stage and a hot gas bypass valve 45 for the second stage capable of adjusting openings, and in a controller 55, gas coolant flow rates of the first stage compressor 22 and the second stage compressor 23 are reduced, the hot gas bypass valve for the second stage and the hot gas bypass valve for the first stage are sequentially opened to send in a gas coolant in order from the second stage compressor every time it is judged that measured values of the gas coolant flow rate have reached a minimum required flow rate in each of the first stage compressor 22 and the second stage compressor 23, or it is judged that refrigerating machine capacities have reached each predetermined value corresponding to the minimum required flow rate, and control is thereby is carried out to secure the minimum required flow rate per compressor. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够避免多级压缩机的浪涌并降低多级压缩机的功率的涡轮制冷机及其热气旁路方法。 解决方案:例如,通过将第二级压缩机23的排出侧与两级压缩机22,23的进气侧经由用于第一级的热气旁通阀44和热气旁路连通而构成组合物 用于能够调节开口的第二级的阀45,并且在控制器55中,第一级压缩机22和第二级压缩机23的气体冷却剂流量减少,用于第二级的热气旁通阀和热气旁路 每当判断出气体冷却剂流量的测量值已达到每个第一级压缩机22中的最小要求流量时,第一级的阀依次打开以从第二级压缩机依次送入气体冷却剂 和第二级压缩机23,或者判断制冷机容量已达到与最小要求流量对应的每个预定值,从而进行控制以确保 每个压缩机所需的最低流量。 版权所有(C)2007,JPO&INPIT
    • 8. 发明专利
    • Film deposition method
    • 膜沉积法
    • JP2014159612A
    • 2014-09-04
    • JP2013030378
    • 2013-02-19
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • SAITO MAKOTOHIRAMATSU NORIYUKIFUKUSHIMA AKIRA
    • C23C24/04
    • C23C4/128C23C4/06C23C4/18C23C24/04
    • PROBLEM TO BE SOLVED: To reduce the number of times of heat treatment, in thickening of a film by utilizing cold spray.SOLUTION: A film deposition method has a step for executing a unit film deposition process repeatedly until the thickness of a film formed on a film deposition target reaches a desired film thickness. The unit film deposition process includes (A) a step S1 for installing the film deposition target in a chamber, (B) a step S2 for setting the atmosphere in the chamber in a non-oxidative gas atmosphere or a vacuum atmosphere, (C) a step S3 for depositing a film onto the film deposition target by a cold spray method in the atmosphere, and (D) a step S4 for applying heat treatment to the film deposition target after film deposition.
    • 要解决的问题:减少热处理次数,通过利用冷喷雾使膜增厚。溶液:膜沉积方法具有重复执行单元膜沉积处理直到形成在膜上的膜的厚度的步骤 成膜靶达到所需的膜厚度。 单元膜沉积工艺包括(A)用于将膜沉积靶材安装在室中的步骤S1,(B)用于在非氧化性气体气氛或真空气氛中设定室内的气氛的步骤S2,(C) 在大气中通过冷喷涂法将膜沉积在成膜靶上的步骤S3,(D)在成膜后对成膜靶进行热处理的工序S4。
    • 9. 发明专利
    • Steam compression type heat pump
    • 蒸汽压缩式热泵
    • JP2012078036A
    • 2012-04-19
    • JP2010225173
    • 2010-10-04
    • Mitsubishi Heavy Ind LtdTokyo Electric Power Co Inc:The三菱重工業株式会社東京電力株式会社
    • FUKUSHIMA AKIRAMIYAMOTO JUNEBINUMA YASUFUMIUMEZAWA SHUICHI
    • F25B1/00F25B1/053
    • PROBLEM TO BE SOLVED: To achieve refrigerant cooling in a motor without decreasing thermal efficiency and increasing cost even when the temperature of a heat source medium becomes comparatively high.SOLUTION: A steam compression type heat pump 1 is driven by a motor 17 and includes a compressor 3 that compresses a refrigerant, a warm heat generating heat exchanger 6 that heats hot water by a compressed refrigerant, an expansion valve 9 that expands the refrigerant introduced from the warm heat generating heat exchanger 6, an evaporator 5 that evaporates the refrigerant introduced from the expansion valve 9 through heat exchange with heat source water, a cooling refrigerant introduction route 20 that is branched from between the warm heat generating heat exchanger 6 and expansion valve 9 and introduces part of the refrigerant to the motor 17 to cool the motor 17, and a cooling refrigerant return route 30 that introduces the refrigerant after cooling the motor 17 to the upstream side of the evaporator 5. The cooling refrigerant introduction route 20 includes a heat recovering heat exchanger 22 that exchanges heat with the refrigerant in the cooling refrigerant return route 30 and a cooling refrigerant heat exchanger 24 that exchanges heat with an external cold heat source 26.
    • 要解决的问题:即使当热源介质的温度变得相对较高时,也可以在不降低热效率和增加成本的情况下实现电动机中的制冷剂冷却。 解决方案:蒸汽压缩式热泵1由电动机17驱动,包括压缩制冷剂的压缩机3,通过压缩制冷剂加热热水的热发生热交换器6,膨胀阀9 从热发生热交换器6导入的制冷剂,通过与热源水进行热交换从膨胀阀9导入的制冷剂蒸发的蒸发器5,从发热热交换器6之间分支的冷却制冷剂导入路径20, 6和膨胀阀9,并且将一部分制冷剂引入电动机17以冷却电动机17;以及冷却制冷剂返回路径30,其在将电动机17冷却到蒸发器5的上游侧之后引入制冷剂。冷却制冷剂导入 路线20包括与冷却制冷剂返回路径30中的制冷剂进行热交换的热回收热交换器22 与外部冷热源26进行热交换的冷却制冷剂热交换器24.(C)2012,JPO&INPIT