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公开(公告)号：USD462754S1
公开(公告)日：2002-09-10
申请号：US29109409
申请日：1999-08-13
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公开(公告)号：USD465566S1
公开(公告)日：2002-11-12
申请号：US29109366
申请日：1999-08-13
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公开(公告)号：US20190249694A1
公开(公告)日：2019-08-15
申请号：US16268217
申请日：2019-02-05
申请人： William O'Hara
发明人： William O'Hara
摘要： A shaft extending along a longitudinal axis has fluid channels that increase and decrease pressure in chambers formed between the interior ends of curved pistons and adjacent closed ends of curved chambers within which the pistons reciprocate as the chamber pressure increases and decreases. The chambers and pistons are in separate cylinder block segments extending outward from opposing sides of the shaft. Each segment may have two sides extending along radial planes and joined by a curved outer surface. Pistons may be provided in pairs and have an interior piston end of each piston in a different cavity in different segments. Exterior ends of each piston in a pair of pistons are connected to a piston connector that extends inwardly from a housing so the housing rotates with the pistons.
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公开(公告)号：US20200291968A1
公开(公告)日：2020-09-17
申请号：US16886756
申请日：2020-05-28
申请人： William O'Hara
发明人： William O'Hara
摘要： A shaft extending along a longitudinal axis has fluid channels that increase and decrease pressure in chambers formed between the interior ends of curved pistons and adjacent closed ends of curved chambers within which the pistons reciprocate as the chamber pressure increases and decreases. The chambers and pistons are in separate cylinder block segments extending outward from opposing sides of the shaft. Each segment may have two sides extending along radial planes and joined by a curved outer surface. Pistons may be provided in pairs and have an interior piston end of each piston in a different cavity in different segments. Exterior ends of each piston in a pair of pistons are connected to a piston connector that extends inwardly from a housing so the housing rotates with the pistons.
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公开(公告)号：US11156238B2
公开(公告)日：2021-10-26
申请号：US16886756
申请日：2020-05-28
申请人： William O'Hara
发明人： William O'Hara
摘要： A shaft extending along a longitudinal axis has fluid channels that increase and decrease pressure in chambers formed between the interior ends of curved pistons and adjacent closed ends of curved chambers within which the pistons reciprocate as the chamber pressure increases and decreases. The chambers and pistons are in separate cylinder block segments extending outward from opposing sides of the shaft. Each segment may have two sides extending along radial planes and joined by a curved outer surface. Pistons may be provided in pairs and have an interior piston end of each piston in a different cavity in different segments. Exterior ends of each piston in a pair of pistons are connected to a piston connector that extends inwardly from a housing so the housing rotates with the pistons.
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公开(公告)号：US10704572B2
公开(公告)日：2020-07-07
申请号：US16268217
申请日：2019-02-05
申请人： William O'Hara
发明人： William O'Hara
摘要： A shaft extending along a longitudinal axis has fluid channels that increase and decrease pressure in chambers formed between the interior ends of curved pistons and adjacent closed ends of curved chambers within which the pistons reciprocate as the chamber pressure increases and decreases. The chambers and pistons are in separate cylinder block segments extending outward from opposing sides of the shaft. Each segment may have two sides extending along radial planes and joined by a curved outer surface. Pistons may be provided in pairs and have an interior piston end of each piston in a different cavity in different segments. Exterior ends of each piston in a pair of pistons are connected to a piston connector that extends inwardly from a housing so the housing rotates with the pistons.
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