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    • 3. 发明专利
    • Two-stage boosting compressor
    • 两级升压压缩机
    • JP2011236855A
    • 2011-11-24
    • JP2010110443
    • 2010-05-12
    • Denso CorpNippon Soken Inc株式会社デンソー株式会社日本自動車部品総合研究所
    • KAWAMOTO YOICHIROUCHIDA KAZUHIDEISHII HIROKISANUKI MASAMIHARAKAWA YOSHIAKI
    • F04C23/00F04C18/356F04C29/04F04C29/12
    • B60H1/00921B60H1/3223B60H2001/00949F04C18/3564F04C23/001F04C23/008F04C28/02F04C29/04F04C2240/808F05C2251/048
    • PROBLEM TO BE SOLVED: To provide a two-stage boosting compressor having enhanced reliability of an electric motor without causing the deterioration of capacity efficiency.SOLUTION: There are accommodated in an accommodation space 150 in a casing 140: a low-step side compression mechanism 110 which boosts a low-pressure cooling medium until it becomes an intermediate-pressure cooling medium; a high-step side compression mechanism 120 which boosts the intermediate-pressure cooling medium until it becomes a high pressure cooling medium; and the electric motor 130 which drives both the compression mechanisms. There is formed an intermediate-pressure port which makes the intermediate-pressure cooling medium flow in the accommodation space 150 from the outside of the casing 140, and the electronic motor 130 is cooled by the intermediate-pressure cooling medium with the inside of the accommodation space 150 as an intermediate-pressure cooling medium atmosphere. At this point, since a capacity of the accommodation space 150 is not changed, there does not occur the lowering of density caused by an effect that the intermediate-pressure cooling medium may absorb heat form the electric motor 130, and the efficiency of the capacity is not deteriorated.
    • 要解决的问题:提供一种具有增强的电动机可靠性的两级增压压缩机,而不会导致容量效率的劣化。 解决方案:容纳在壳体140中的容纳空间150中:低压侧压缩机构110,其升压低压冷却介质,直到其成为中压冷却介质; 高压侧压缩机构120,其升压中压冷却介质直至成为高压冷却介质; 以及驱动两个压缩机构的电动机130。 形成中间压力端口,其使中压冷却介质从壳体140的外部流入容纳空间150,并且电子电动机130被中压制冷介质冷却,其中容纳内部 空间150作为中压冷却介质气氛。 此时,由于容纳空间150的容量没有变化,不会由于中压制冷剂可能从电动机130吸收热量而产生的密度的降低,容量的效率 没有恶化 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • 磁歪式トルクセンサ
    • 磁感应扭矩传感器
    • JP2015040777A
    • 2015-03-02
    • JP2013172262
    • 2013-08-22
    • 株式会社日本自動車部品総合研究所Nippon Soken Inc株式会社デンソーDenso Corp
    • ISHIKAWA TAKAYUKISANUKI MASAMIHIGASHIYAMA MASASHIKAWANO SHIGERU
    • G01L3/10
    • 【課題】トルク検出を精度良く行うために、トルク変化に対する磁気検出器の出力変化を大きくすることができる磁歪式トルクセンサを提供する。【解決手段】磁気検出器18を通る磁束は、回転軸12にかかるトルクT1が零のときには一軸心CL1方向を向いている一方で、磁気検出器18は一軸心CL1に直交する磁束の径方向成分Byを検出するので、トルクT1が零のときには磁気検出器18の出力は零または略零になる。その一方で、トルクT1が印加されたときには、磁気検出器18を通る磁束は、第1磁歪部14及び第2磁歪部16の透磁率μ変化に起因した磁界の変化により、磁束の径方向成分Byを有するようになり、磁気検出器18の出力はその磁束の径方向成分Byに応じた大きさになる。従って、トルクセンサ10において、トルクT1の変化に対する磁気検出器18の出力変化を大きくすることが可能である。【選択図】図1
    • 要解决的问题:提供一种磁致伸缩转矩传感器,其被配置为相对于转矩变化增加磁检测器的输出变化,用于精确的转矩检测。解决方案:通过磁检测器18的磁通量沿着轴向中心CL1被引导,当 施加到旋转轴12的扭矩T1为零。 磁检测器18检测与轴向中心CL1正交的磁通的径向分量By,使得当转矩T1为零时,磁检测器18的输出为零或基本为零。 当施加转矩T1时,通过磁检测器18的磁通具有由第一和第二磁致伸缩部14和16的磁导率μ的变化引起的磁场变化形成的磁通的径向分量 磁检测器18的输出与磁通的径向分量By相一致。 因此,在转矩传感器10中,可以增加磁检测器18相对于转矩T1的输出变化。
    • 5. 发明专利
    • Two-stage pressure buildup refrigeration cycle
    • 两级压力建筑制冷循环
    • JP2012042114A
    • 2012-03-01
    • JP2010183348
    • 2010-08-18
    • Denso Corp株式会社デンソー
    • MURASE YOSHINORISANUKI MASAMIHARAKAWA YOSHIAKI
    • F25B1/00
    • F25B1/10B60H1/3223F25B41/04F25B2400/0401F25B2400/0409F25B2400/23F25B2600/2501
    • PROBLEM TO BE SOLVED: To provide a two-stage pressure buildup refrigeration cycle having a satisfactorily improved COP independent of a change in necessary circulating coolant flow rate required to be circulated in the cycle.SOLUTION: An intermediate pressure side stop valve 14a is arranged in an intermediate pressure coolant passage 14 for guiding an intermediate pressure coolant to the suction sides of a low-stage side compression mechanism 110 and a high-stage side compression mechanism 120, a low pressure side stop valve 22a is arranged in a low pressure coolant passage 22 which connects the coolant passage for guiding a low pressure coolant to the suction side of the low-stage side compression mechanism 110 with the intermediate coolant passage 14. In accordance with deterioration in the heating capacity (necessary coolant circulation flow rate) necessary for the cycle, the following switching is performed: a first coolant circuit in which the intermediate pressure side stop valve 14a is opened and, at the same time, the low pressure side stop valve 22a is closed → a third coolant circuit in which the intermediate pressure side stop valve 14a is closed and, at the same time, the low pressure side stop valve 22a is closed → a second coolant circuit in which the intermediate pressure side stop valve 14a is closed and, at the same time, the low pressure side stop valve 22a is opened.
    • 要解决的问题:提供具有令人满意地改进的COP的两级增压制冷循环,而不需要在循环中循环所需的循环冷却剂流量的变化。 解决方案:中压侧截止阀14a设置在用于将中间冷却剂引导到低级侧压缩机构110和高级侧压缩机构120的吸入侧的中间压力冷却剂通道14中, 低压侧截止阀22a布置在低压冷却剂通道22中,该低压冷却剂通道22将用于将低压冷却剂引导到低级侧压缩机构110的吸入侧的冷却剂通道与中间冷却剂通道14连接。根据 循环所需的加热能力(必要的冷却剂循环流量)的劣化,执行以下切换:第一冷却剂回路,其中中压侧截止阀14a打开,同时低压侧停止 阀22a关闭→第三冷却剂回路,其中中压侧截止阀14a关闭,同时,低压侧 截止阀22a关闭→中间压力侧截止阀14a关闭的第二冷却剂回路,同时打开低压侧截止阀22a。 版权所有(C)2012,JPO&INPIT
    • 6. 发明专利
    • Mounting structure for electric compressor
    • 电动压缩机安装结构
    • JP2008138685A
    • 2008-06-19
    • JP2007334062
    • 2007-12-26
    • Denso Corp株式会社デンソー
    • TSUMAGARI YUICHISANUKI MASAMIMURAKI TOSHIHIKOTAKECHI TETSUYA
    • F02B67/00B60K6/40
    • PROBLEM TO BE SOLVED: To mount an electric compressor on an engine with considering influence of vehicle vibration.
      SOLUTION: An electric compressor 10 is positioned closer to a center of gravity G of an engine E than a compression mechanism 11, and is mounted in such a manner that an axial direction L
      1 of an electric motor 12 is parallel to a crank shaft direction L
      2 of the engine, when the electric compressor having the compression mechanism 11 arranged on an axial direction end part of the electric motor part 12 is mounted on the engine E. Therefore, a vibration force produced by the engine E and applied to the electric motor part 12 can be reduced.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:考虑到车辆振动的影响,将电动压缩机安装在发动机上。 解决方案:电动压缩机10定位成比压缩机构11更靠近发动机E的重心G,并且以如下方式安装:使得压缩机10的轴向方向L 1 当具有设置在电动机部件12的轴向端部的压缩机构11的电动压缩机安装在发动机上时,电动机12平行于发动机的曲轴方向L 2 因此,可以减少由发动机E产生并施加到电动机部件12的振动力。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Variable capacity type scroll-type compressor
    • 可变容量型滚动式压缩机
    • JP2011185238A
    • 2011-09-22
    • JP2010054297
    • 2010-03-11
    • Denso Corp株式会社デンソー
    • KAWANO SHIGERUSANUKI MASAMIISHIHARA TAKAHIROINAGAKI AKIRAHIGASHIYAMA MASASHI
    • F04C18/02F04C28/26
    • PROBLEM TO BE SOLVED: To suppress degradation of the compression efficiency during variable capacity operation in a variable capacity type scroll-type compressor.
      SOLUTION: A bypass port 22g for communicating only one compression chamber Vb out of a pair of compression chambers Va, Vb for engaging and forming a fixed scroll and a turning scroll with an intake chamber 22e is formed in a fixed substrate part of the fixed scroll. Thus, during the variable capacity operation, only the refrigerant in one compression chamber Vb in the pair of compression chambers Va, Vb flows in the intake chamber 22e through the bypass port 22g. In the other compression chamber Va, the refrigerant supplied from the intake chamber 22e is compressed without flowing in the intake chamber 22e. Thus, during the variable capacity operation, the fluid in the compression process is smoothly compressed, any leakage of the refrigerant from the compression chamber can be suppressed, and the degradation of the compression efficiency during the variable capacity operation can be suppressed.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 解决的问题:为了抑制可变容量型涡旋式压缩机的可变容量运转时的压缩效率的劣化。 解决方案:用于使一个用于接合和形成固定涡旋件的一对压缩室Va,Vb中的一个压缩室Vb连通的旁通端口22g和具有进气室22e的转动涡旋件形成在 固定卷轴。 因此,在可变容量运转中,只有一对压缩室Va,Vb中的一个压缩室Vb中的制冷剂通过旁通口22g流入吸入室22e。 在另一压缩室Va中,从进气室22e供给的制冷剂在进气室22e中不会流动而被压缩。 因此,在可变容量运转中,压缩过程中的流体被平滑地压缩,可以抑制制冷剂从压缩室的泄漏,并且可以抑制可变容量操作期间的压缩效率的劣化。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • Electric compressor
    • 电动压缩机
    • JP2009222009A
    • 2009-10-01
    • JP2008069437
    • 2008-03-18
    • Denso Corp株式会社デンソー
    • TAKASAKI TOSHINOBUSANUKI MASAMI
    • F04B39/06F04B39/00F04C29/04F04C29/12
    • PROBLEM TO BE SOLVED: To improve cooling performance of a drive circuit 35 in an electric compressor 1.
      SOLUTION: In the electric compressor 1, a coolant passage 120 is provided between a bottom part 5d of a housing body 5a and a cooling plate 37 for coolant taken in from a coolant inlet 1a to pass to flow toward a compression mechanism 20. Though a switching element 35b of a drive circuit 35 of an inverter circuit 20 generates heat, coolant flowing in the coolant passage 120 cools a switching element 35b through the cooling plate 37. Due to the coolant passage 120, flow speed of coolant is improved, so that heat exchange between the coolant and the drive circuit 35 is sufficiently conducted, thereby cooling performance of the drive circuit 35 is improved.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决方案:提高电动压缩机1中的驱动电路35的冷却性能。解决方案:在电动压缩机1中,冷却剂通道120设置在壳体主体5a的底部5d之间 以及用于从冷却剂入口1a引入的冷却剂冷却板37,以朝向压缩机构20流动。尽管逆变器电路20的驱动电路35的开关元件35b产生热量,但是在冷却剂通道120中流动的冷却剂冷却 通过冷却板37的开关元件35b。由于冷却剂通道120,提高了冷却剂的流动速度,使得冷却剂和驱动电路35之间的热交换被充分地传导,从而提高了驱动电路35的冷却性能 。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Air conditioner
    • 冷气机
    • JP2008179203A
    • 2008-08-07
    • JP2007012992
    • 2007-01-23
    • Denso Corp株式会社デンソー
    • ISSHI YOSHINORIKAWAGUCHI SHIGEKINAGASAKU HIDEKAZUSANUKI MASAMI
    • B60H1/32
    • PROBLEM TO BE SOLVED: To provide an air conditioner capable of preventing turbulence of flow of cooling medium in a refrigeration cycle accompanying introduction of outside air.
      SOLUTION: The target increase revolution number Δf is added to the former target revolution number IVO
      n-1 to calculate the temporary target increase revolution number IVOf (step S207). Further, when the temperature TAM of the out-cabin air is lower than the temperature TR of the in-cabin air (Yes at step S208), a correction coefficient CA according to an outside air introduction increase ratio RI is calculated (step S210). Next, the increase correction revolution number Δfrs is calculated by multiplying the correction coefficient CA on the reference increase revolution number, and further, the increase correction revolution number Δfrs is reduced/corrected according to a passing time TC from when a ratio of the outside air introduction is increased (step S211). Finally, the increase correction revolution number Δfrs is added to the temporary target revolution number IVOf to calculate the true target revolution number IVO (step S212).
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够防止冷却介质在伴随外部空气的引入的制冷循环中的流动紊乱的空调。 解决方案:将目标增加转数Δf加到前一个目标转数IVO n-1 ,以计算临时目标增加转数IVOf(步骤S207)。 此外,当室外空气的温度TAM低于室内空气的温度TR(步骤S208中的“是”)时,计算根据外部空气引入增加率RI的校正系数CA(步骤S210) 。 接下来,通过将校正系数CA乘以基准增加转数来计算增加校正转数Δfrs,此外,根据经过时间TC,从外部空气的比例减去/校正增加校正转数Δfrs 引入增加(步骤S211)。 最后,向临时目标转数IVOf加上增加修正转数Δfrs,计算出真正的目标转数IVO(步骤S212)。 版权所有(C)2008,JPO&INPIT