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公开(公告)号：US20170184099A1
公开(公告)日：2017-06-29
申请号：US15374633
申请日：2016-12-09
发明人： Manabu Watanabe , Shimpei Iizuka , Hiroaki Sato , Kenji Kawashima
CPC分类号： F04C15/06 , F01C21/108 , F01M1/02 , F01M2001/0238 , F04C2/10 , F04C2/102 , F04C2210/206 , F04C2240/30
摘要： A housing of an oil pump includes a suction port, a discharge port, and a partitioning section formed to partition the suction port and the discharge port. The discharge port has discharge groove portions each formed in a groove shape so as to introduce oil from the partitioning section, and an extension portion formed adjacent to the discharge groove portions and extending continuously from an end of the partitioning section. The extension portion has a taper surface extending from an end of an upper surface of the partitioning section to form a downward slope.
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公开(公告)号：US11530698B2
公开(公告)日：2022-12-20
申请号：US17367166
申请日：2021-07-02
发明人： Yuken Saito , Manabu Watanabe , Tomonori Yahagi
摘要： An oil pump is configured to include a rotor, a drive shaft that drives the rotor to rotate, a rotor chamber in which the rotor is contained, an inlet port and an outlet port each provided in the vicinity of the rotor chamber, and a pump cover. The pump cover is made of a resin. On a portion of an outer surface side of the pump cover corresponding to an inner portion, in which oil circulates, of the pump cover, a rib that has an erecting wall shape is provided.
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公开(公告)号：US20220074406A1
公开(公告)日：2022-03-10
申请号：US17367166
申请日：2021-07-02
发明人： Yuken SAITO , Manabu Watanabe , Tomonori Yahagi
摘要： An oil pump is configured to include a rotor, a drive shaft that drives the rotor to rotate, a rotor chamber in which the rotor is contained, an inlet port and an outlet port each provided in the vicinity of the rotor chamber, and a pump cover. The pump cover is made of a resin. On a portion of an outer surface side of the pump cover corresponding to an inner portion, in which oil circulates, of the pump cover, a rib that has an erecting wall shape is provided.
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公开(公告)号：US10288066B2
公开(公告)日：2019-05-14
申请号：US15374633
申请日：2016-12-09
发明人： Manabu Watanabe , Shimpei Iizuka , Hiroaki Sato , Kenji Kawashima
摘要： A housing of an oil pump includes a suction port, a discharge port, and a partitioning section formed to partition the suction port and the discharge port. The discharge port has discharge groove portions each formed in a groove shape so as to introduce oil from the partitioning section, and an extension portion formed adjacent to the discharge groove portions and extending continuously from an end of the partitioning section. The extension portion has a taper surface extending from an end of an upper surface of the partitioning section to form a downward slope.
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