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公开(公告)号：US20160061066A1
公开(公告)日：2016-03-03
申请号：US14795451
申请日：2015-07-09
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Mikihiro KAJIURA , Yosuke IWASE
CPC classification number: F01L9/04 , F01L1/022 , F01L1/344 , F01L1/3442 , F01L1/352 , F01L2001/34496 , F01L2009/049 , F01L2101/00 , F01L2201/00 , F01L2810/02 , F01L2820/032
Abstract: A valve timing control device of internal combustion engine comprises a chain case 6 that is fixed to a cylinder head 101 of the engine and has a circular opening 55 for receiving therein a cylindrical housing 5a of an electric motor 8, an annular seal member 58 that is operatively received in an annular clearance defined between an outer cylindrical wall of the cylindrical housing 5a and an inner cylindrical wall of the circular opening 55, and a cover member 4 that is connected to the chain case 6 to cover the circular opening thereby concealing the annular seal member from the outside, wherein when the cover member 4 is removed from the chain case 6, the annular seal member 58 becomes exposed to the outside through the circular opening 55 of the chain case 6 for a visual inspection of the annular seal member.
Abstract translation: 内燃机的气门正时控制装置具有固定在发动机的气缸盖101上的链条壳体6，具有用于容纳电动机8的圆筒形壳体5a的圆形开口部55，环状密封部件58， 被可操作地容纳在限定在圆柱形壳体5a的外圆柱形壁和圆形开口55的内圆柱形壁之间的环形间隙中，以及盖构件4，其连接到链条盒6以覆盖圆形开口，从而隐藏 环形密封构件从外部，其中当盖构件4从链条壳体6移除时，环形密封构件58通过链条箱6的圆形开口55暴露于外部，以便目视检查环形密封构件 。
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公开(公告)号：US20160076410A1
公开(公告)日：2016-03-17
申请号：US14658786
申请日：2015-03-16
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Mikihiro KAJIURA , Yosuke IWASE
CPC classification number: F01L1/344 , F01L1/047 , F01L1/352 , F01L1/46 , F01L2101/00 , F01L2201/00 , F01L2250/02 , F01L2820/032 , F01L2820/041
Abstract: A valve timing control apparatus for an internal combustion engine includes: a power feeding brush including a tip end portion arranged to be slidably abutted on the slip ring; and a rotation angle sensing mechanism provided between one end portion of the motor output shaft, and the cover member confronting the one end portion of the motor output shaft, and arranged to sense a rotation angle of the motor output shaft, the power feeding brush being disposed in a range in which the power feeding brush is slid on the slip ring, in a range from a position which is deviated a predetermined angle in a rotation direction of the motor housing from an uppermost position of the other of the electric motor and the cover member in a vertical direction, to a lowermost position.
Abstract translation: 一种用于内燃机的气门正时控制装置，包括：供电刷，其具有设置成可滑动地抵接在滑环上的前端部; 以及旋转角度检测机构，其设置在所述电动机输出轴的一端部与所述电动机输出轴的一端部相对的盖部件之间，并且被配置为感测所述电动机输出轴的旋转角度，所述供电刷为 在从电动机壳体的旋转方向偏离预定角度的位置与电动机的另一个的最上方位置的范围内，配置在供电刷在滑环上滑动的范围内， 盖构件在垂直方向上到达最低位置。
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公开(公告)号：US20170122144A1
公开(公告)日：2017-05-04
申请号：US15318416
申请日：2015-06-15
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Mikihiro KAJIURA , Yosuke IWASE
CPC classification number: F01L1/352 , F01L1/46 , F01L2101/00 , F01L2103/00 , G01D5/20 , G01D5/2066
Abstract: A variable valve device for an internal combustion engine for varying operating characteristics of engine valves by changing a relative rotational phase of a camshaft to a timing sprocket has an electric motor that rotates the camshaft relatively to the timing sprocket, a cover member provided to cover a front end section of the electric motor, and an angle sensor that detects a rotational angle position of a motor output shaft. The angle sensor includes a detected unit provided inside of a top end section of the motor output shaft and a detecting unit provided on the cover member so as to be opposed to the detected unit through a minute clearance. A metal disk-shaped reinforcing plate is molded and fixed inside of a cover main body of the cover member mainly formed of a synthetic resin material, thus enhancing the entire rigidity of the cover main body.
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公开(公告)号：US20160108778A1
公开(公告)日：2016-04-21
申请号：US14883718
申请日：2015-10-15
Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
Inventor： Mikihiro KAJIURA , Yosuke IWASE
CPC classification number: F01L9/04 , F01L1/047 , F01L1/344 , F01L2009/0401 , F01L2009/0405
Abstract: A valve-timing control apparatus includes an electric motor; a speed-reduction mechanism configured to reduce a rotational speed of the output shaft of the electric motor; a slip ring provided on a surface of a tip portion of the electric motor; a cover member provided to cover at least a part of the surface of the tip portion of the electric motor; a power-feeding brush disposed in the cover member and being in contact with the slip ring; and an angle sensing mechanism configured to sense a rotational angle of the output shaft of the electric motor. The angle sensing mechanism includes a detected portion attached to the output shaft of the electric motor, and a detecting portion attached to the cover member and opposed to the detected portion. The power-feeding brush is located so as not to overlap with the detected portion in a vertically-upper direction from the detected portion.
Abstract translation: 气门正时控制装置包括电动机; 减速机构，其构造为减小所述电动机的输出轴的转速; 设置在所述电动机的前端部的表面上的滑环; 盖构件，其设置成覆盖电动机的前端部的表面的至少一部分; 电动刷设置在盖构件中并与滑环接触; 以及角度检测机构，其构造成感测电动机的输出轴的旋转角度。 角度检测机构包括附接到电动机的输出轴的检测部分和附接到盖部件并与检测部分相对的检测部分。 供电刷位于与被检测部的上下方向不会与被检测部重叠的位置。
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