发明名称 Radial piston pump
摘要 The invention concerns a radial piston pump comprising a rotating pump shaft having an end portion connected to a rotationally fixed eccentric ring, said radial piston pump further comprising an eccentric bearing arranged on an outer peripheral surface of the eccentric ring, the eccentric bearing comprising a needle roller bushing having radially inward directed flanges between which bearing needle rollers are arranged for rolling, at least one pump plunger arranged in a pump housing and extending radially of the pump shaft being supported by an end face on the needle roller bushing, while the end portion of the pump shaft is supported in a housing via an adjacent second support bearing. According to the invention the eccentric ring and an inner ring of the support bearing (5) are configured as a one-piece bushing (22) shaped without chip removal, said one-piece bushing (22) being force-locked on the pump shaft (3) by a centric region (23), and both the centric region (23) and an eccentric region (24) of said one-piece bushing (22) comprise a radially outward directed flange (25, 26) on an outer end so that an inseparable assembly consisting of the eccentric bearing (6) and the support bearing (5) is formed.
申请公布号 US6240826(B1) 申请公布日期 2001.06.05
申请号 US19990433976 申请日期 1999.11.04
申请人 INA WALZLAGER SCHAFFLER OHG 发明人 ZERNICKEL ALEXANDER;WAGNER JOERG;DOEPPLING HORST
分类号 F04B1/04;F16C3/22;(IPC1-7):F16C19/50;F01B1/00 主分类号 F04B1/04
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