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    • 2. 发明公开
    • Shaft sealing assembly
    • Wellendichtung
    • EP1418369A3
    • 2004-07-14
    • EP03025249.8
    • 2003-11-05
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Osako, MasamiYamada, TakeshiMurase, Masakazu
    • F16J15/32F16J15/16
    • F16J15/3232F16J15/164F16J15/322F16J15/3284
    • A shaft sealing assembly (11) seals a rotary shaft (15) of a refrigerant compressor with a first sealing member (21), which is a lip seal. The first sealing member (21) has a hollow portion. As the pressure in the interior space of the compressor housing (13) increases, an outer wall surrounding the hollow portion (51) is elastically deformed. Accordingly, a lip portion of the first sealing member (21) receives a tension that weakens a force pressing the lip portion against the rotary shaft (15). Therefore, the sealing assembly (11) improves the durability of the lip portion and maintains a satisfactory property of the lip portion to follow displacement of the rotary shaft (15) at the same time.
    • 轴密封组件(11)用作为唇形密封件的第一密封构件(21)密封制冷剂压缩机的旋转轴(15)。 第一密封构件(21)具有中空部分。 随着压缩机壳体(13)的内部空间中的压力增加,围绕中空部分(51)的外壁弹性变形。 因此,第一密封构件(21)的唇部受到使唇部抵抗旋转轴(15)的力减弱的张力。 因此,密封组件(11)提高了唇部的耐久性,并且保持了唇部的令人满意的特性,以跟随旋转轴(15)同时移动。
    • 5. 发明公开
    • Lip type seal
    • 唇形密封
    • EP1134466A3
    • 2003-06-04
    • EP01106546.3
    • 2001-03-15
    • Eagle Industry Co., Ltd.Kabushiki Kaisha Toyota Jidoshokki
    • Ikeda, YasuhiroYamada, TakeshiImai, Takayuki
    • F16J15/32
    • F16J15/3228F16J15/3216
    • In a lip type seal, a case (31) is tightly fitted and fixed to an inner circumferential surface of a housing (1) through gasket means (32e). A resin lip member (33) constituted by an inner circumferential part (33c) extending in a bent state from a diameter direction part (33a) and its inner circumference to a sealed space (S2) side and forming a seal surface between an outer circumferential part of a rotary shaft (2) and the resin lip member (33); a rear surface support plate (36) disposed to abut on a rear surface of the diameter direction part (33a) of the resin lip member; and a stopper (37b) with a rear surface supported to a support surface (13) of the housing (1) through a second resin lip member (34) and a second rear surface support plate (38) and the top end coming close to or coming into contact with a rear surface of the inner circumferential part of the rear surface support plate (36), are provided on the inner circumference of the housing (1). Therefore, deformation of the rear surface support plate (36) due to pressure acting on the front surface of the resin lip member (33) and the contact of the rear surface support plate (36) with the rotary shaft (2) with the deformation are prevented (Fig. 1).
    • 6. 发明公开
    • compressor
    • 压缩机
    • EP1172557A2
    • 2002-01-16
    • EP01117137.8
    • 2001-07-13
    • Kabushiki Kaisha Toyota Jidoshokki
    • Yamada, TakeshiImai, Takayuki
    • F04B27/10
    • F04B27/1036F04B27/109
    • A compressor has a housing, which supports a rotary shaft (14), and a crank chamber (12a). A swash plate (18) is accommodated in the crank chamber (12a). The compressor has an oil chamber (29) located in the housing near a front end portion of the rotary shaft. The oil chamber (29) has an inlet (29a) and an outlet (29b). The outlet (29b) connects to the suction pressure zone. Either lubricant oil that is separated from refrigerant gas or refrigerant gas in the suction pressure zone flows into the oil chamber (29) from the inlet (29a) and flows out from the outlet (29b) to the suction pressure zone. A seal mechanism (30) seals the oil chamber (29). A seal (32) seals between the oil chamber (29) and the crank chamber (12a). This permits an inclination angle of the swash plate (18) to control accurately and smoothly while lubricating the seal mechanism (30) optimally.
    • 压缩机具有支撑旋转轴(14)的壳体和曲轴室(12a)。 斜盘(18)容纳在曲轴室(12a)中。 压缩机具有位于壳体中靠近旋转轴的前端部分的油室(29)。 油室(29)具有入口(29a)和出口(29b)。 出口(29b)连接到吸入压力区。 从吸入压力区域中的制冷剂气体或制冷剂气体中分离出的润滑油从入口(29a)流入油室(29)并从出口(29b)流出到吸入压力区域。 密封机构(30)密封油室(29)。 密封件(32)在油室(29)和曲轴室(12a)之间密封。 由此,能够在对密封机构30进行最佳润滑的同时,正确且平滑地控制斜板18的倾斜角度。
    • 10. 发明公开
    • Lip seal
    • Wellendichtung
    • EP1152176A3
    • 2003-10-29
    • EP01110516.0
    • 2001-04-28
    • Kabushiki Kaisha Toyota JidoshokkiEagle Industry Co., Ltd.
    • Yamada, TakeshiImai, TakayukiMatsumoto, Takanobu
    • F16J15/32
    • F16J15/3244F16J15/3228
    • First pumping threads (125) are formed on an inner circumferential surface of the seal lip portion (124) of an elastomer lip member (12). The first pumping threads (125) generate a pumping action in a leakage direction when a shaft (2) rotates. A first resin lip member (14) is arranged at a rear side of the elastomer lip member (12). Second pumping threads (144) generate a pumping action in a direction opposite to the leakage direction when the shaft (2) rotates. The second pumping threads (144) are formed from an inner circumferential surface of a seal lip portion (143) of the first resin lip member (14) to a rear portion of a bent portion (142) thereof. A second resin lip member (18) is arranged at a rear side of the first resin lip member (18) and has a surface sliding on the shaft (2), which is formed smoothly (Fig. 1).
    • 第一抽吸螺纹(125)形成在弹性体唇形构件(12)的密封唇部分(124)的内圆周表面上。 当轴(2)旋转时,第一抽吸螺纹(125)在泄漏方向产生泵送作用。 第一树脂唇形部件(14)布置在弹性体唇部件(12)的后侧。 当轴(2)旋转时,第二抽吸螺纹(144)在与泄漏方向相反的方向上产生泵送作用。 第二抽吸螺纹(144)由第一树脂唇形构件(14)的密封唇部(143)的内周表面形成到其弯曲部分(142)的后部。 第二树脂唇形部件(18)布置在第一树脂唇形部件(18)的后侧,并且在轴(2)上具有平滑地形成的表面滑动(图1)。