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公开(公告)号：US20070078038A1
公开(公告)日：2007-04-05
申请号：US11633575
申请日：2006-12-05
IPC分类号： F16H57/08
CPC分类号： F16H55/0806 , F16H1/28 , F16H47/04 , F16H57/08 , F16H2055/0893 , Y10T74/19888
摘要： In a gear mechanism, inner gear teeth and outer gear teeth are formed of high-tooth. An engagement ratio of the inner and outer gear teeth is configured so as to be 2.0 or more, whereby a load can be transferred between the inner and outer teeth via a continuous gear engagement of at least two pairs of gear teeth thereof. Accordingly, a contact face pressure and a bending stress occurring to inner and outer gear teeth can be reduced, the limitation of the durability of the gear mechanism due to the large difference of durability between the inner and outer gear teeth can be improved, and the necessity of increasing hardness of the inner gear teeth can be lessened.
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公开(公告)号：US07361118B2
公开(公告)日：2008-04-22
申请号：US11633578
申请日：2006-12-05
CPC分类号： F16H55/0806 , F16H1/28 , F16H47/04 , F16H57/08 , F16H2055/0893 , Y10T74/19888
摘要： In a gear mechanism, inner gear teeth and outer gear teeth are formed of high-tooth. An engagement ratio of the inner and outer gear teeth is configured so as to be 2.0 or more, whereby a load can be transferred between the inner and outer teeth via a continuous gear engagement of at least two pairs of gear teeth thereof. Accordingly, a contact face pressure and a bending stress occurring to inner and outer gear teeth can be reduced, the limitation of the durability of the gear mechanism due to the large difference of durability between the inner and outer gear teeth can be improved, and the necessity of increasing hardness of the inner gear teeth can be lessened.
摘要翻译： 在齿轮机构中，内齿轮齿和外齿轮齿由高齿形成。 内齿轮和外齿轮齿的啮合比被构造成为2.0或更大，由此可以通过其至少两对齿轮齿的连续齿轮啮合在内齿和外齿之间传递负荷。 因此，能够减小内，外齿轮齿的接触面压力和弯曲应力，能够提高齿轮机构的内外齿轮齿的耐久性差的耐久性的限制， 可以减小内齿轮齿的增加硬度的必要性。
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公开(公告)号：US20050020401A1
公开(公告)日：2005-01-27
申请号：US10893930
申请日：2004-07-20
CPC分类号： F16H55/0806 , B60K7/0015 , B60K17/046 , F16H1/28 , F16H1/46 , F16H2055/0893
摘要： In a gear mechanism, inner gear teeth and outer gear teeth are formed of high-tooth. An engagement ratio of the inner and outer gear teeth is configured so as to be 2.0 or more, whereby a load can be transferred between the inner and outer teeth via a continuous gear engagement of at least two pairs of gear teeth thereof. Accordingly, a contact face pressure and a bending stress occurring to inner and outer gear teeth can be reduced, the limitation of the durability of the gear mechanism due to the large difference of durability between the inner and outer gear teeth can be improved, and the necessity of increasing hardness of the inner gear teeth can be lessened.
摘要翻译： 在齿轮机构中，内齿轮齿和外齿轮齿由高齿形成。 内齿轮和外齿轮齿的啮合比被构造成为2.0或更大，由此可以通过其至少两对齿轮齿的连续齿轮啮合在内齿和外齿之间传递负荷。 因此，能够减小内，外齿轮齿的接触面压力和弯曲应力，能够提高齿轮机构的内外齿轮齿的耐久性差的耐久性的限制， 可以减小内齿轮齿的增加硬度的必要性。
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公开(公告)号：US20070099747A1
公开(公告)日：2007-05-03
申请号：US11633578
申请日：2006-12-05
IPC分类号： F16H57/08
CPC分类号： F16H55/0806 , F16H1/28 , F16H47/04 , F16H57/08 , F16H2055/0893 , Y10T74/19888
摘要： In a gear mechanism, inner gear teeth and outer gear teeth are formed of high-tooth. An engagement ratio of the inner and outer gear teeth is configured so as to be 2.0 or more, whereby a load can be transferred between the inner and outer teeth via a continuous gear engagement of at least two pairs of gear teeth thereof. Accordingly, a contact face pressure and a bending stress occurring to inner and outer gear teeth can be reduced, the limitation of the durability of the gear mechanism due to the large difference of durability between the inner and outer gear teeth can be improved, and the necessity of increasing hardness of the inner gear teeth can be lessened.
摘要翻译： 在齿轮机构中，内齿轮齿和外齿轮齿由高齿形成。 内齿轮和外齿轮齿的啮合比被构造成为2.0或更大，由此可以通过其至少两对齿轮齿的连续齿轮啮合在内齿和外齿之间传递负荷。 因此，能够减小内，外齿轮齿的接触面压力和弯曲应力，能够提高齿轮机构的内外齿轮齿的耐久性差的耐久性的限制， 可以减小内齿轮齿的增加硬度的必要性。
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公开(公告)号：US06524206B2
公开(公告)日：2003-02-25
申请号：US09941823
申请日：2001-08-29
申请人： Masahiro Tsunemi , Hidekazu Okufuji
发明人： Masahiro Tsunemi , Hidekazu Okufuji
IPC分类号： F16H4704
CPC分类号： B60K17/046 , B60K7/0015 , B60K2007/0038 , B60K2007/0092 , F16D1/10 , F16D2001/103 , F16H1/46 , F16H1/48 , F16H57/082
摘要： The present invention relates to a driving unit comprising a multiple-stage planetary gear type reducer used to reduce rotation speed of a hydraulic motor and output the reduced rotation speed, which is used as a driving device for a traveling apparatus. The driving unit of the present invention is so structured that a trunnion boss for rotatably supporting a planetary gear train of a final state is supported at opposite ends thereof. This structure enables the load applied to the trunnion boss to be dispersed to the both ends, and as such can allow the trannion boss to be reduced in diameter or can allow the fixed casing to be reduced in circumferential dimension. This can produce a downsized driving unit. The present invention has additional features, such as the feature that an output shaft of the hydraulic motor and an input shaft of the reducer are formed in the form of a single rotating shaft. This can provide a driving unit structurally optimized for every principal part, to provide downsizing and improved durability.
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