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公开(公告)号：US11879461B2
公开(公告)日：2024-01-23
申请号：US17742739
申请日：2022-05-12
CPC分类号： F04C2/102 , F04C2/086 , F04C15/06 , F04C2210/206 , F04C2240/30 , F04C2250/10 , F04C2250/101
摘要： An oil pump includes: a shaft member; an inner rotor configured to rotate integrally with the shaft member; an outer rotor forming a rotor chamber into which oil is sucked from a suction passage and from which the oil is discharged toward a discharge passage, between the inner rotor and the outer rotor; a body member having a recess-shaped housing chamber in which each rotor is housed so as to be rotatable about an axis; and a cover member attached so as to close the housing chamber. The rotor chamber has first and second suction ports through each of which the oil to be sucked from the suction passage passes. The oil pump includes a straightening member branching the suction passage from a main path to the first suction port side and the second suction port side.
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公开(公告)号：US11480172B2
公开(公告)日：2022-10-25
申请号：US17011365
申请日：2020-09-03
发明人： Mitsuhiro Yoshimura , Shinya Sakai
摘要： A gear pump includes: an inner rotor having external teeth; an outer rotor having a tubular inner housing portion in which the inner rotor is rotatably housed in an eccentric state, and internal teeth meshing with the external teeth; a first core having a tubular rotor housing portion in which the inner and outer rotors are housed, and a flange portion projecting radially outward from a tube wall of the rotor housing portion; a board-shaped second core having a contact portion in contact with the flange portion in an axial direction, and closing an opening of the rotor housing portion; and a housing opposing the second core and made of a resin. A gap is formed between opposing surfaces of the second core and the housing in a state where the flange portion is in contact with the contact portion and the housing opposes the second core.
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公开(公告)号：US11460214B2
公开(公告)日：2022-10-04
申请号：US16502452
申请日：2019-07-03
IPC分类号： F24F13/02
摘要： In a duct device that includes a duct body 9 having: an air flow path 90 defined thereinside; and a first divisional body 1 and a second divisional body 5 combined in a combining direction in which the first and second divisional bodies 1 and 5 approach each other, at time of positioning when a first duct portion 2 and a second duct portion 6 oppose each other, and an engagement portion 33 and an engagement projection 7 do not engage with each other, an outer wall portion 65 covers, from an outer side, a tip portion 21 that is a front end of the first duct portion 2, and the engagement portion 33 contacts with the engagement projection 7 in the combining direction, and covers a second engagement surface 72 that is a rear end of the engagement projection 7, with an engagement wrap portion 35, from the outer side.
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