B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 5/14 (2006.01) B62D 5/18 (2006.01) F15B 15/18 (2006.01)
Patent
CA 2510071
A pressure-medium-actuated actuation device, in particular for a vehicle steering apparatus, comprises a double-acting actuator (12) with two active regions (24, 26) acting essentially in opposition, each active region (24, 26) having connected to it in each case a pressure-medium line section (28, 30), by means of which a pressure medium can be supplied to the active regions (24, 26) or can be discharged from these (24, 26), and each pressure-line section (28, 30) which supplies pressure medium to the actuator (12) being connected to a pressure-medium pump (14) coupled to a pump drive (16), by means of which the at least one pressure-medium pump (14) can be driven for the conveyance of pressure medium. According to the invention, the pump drive (16) is designed in such a way that the quantity of the pressure medium conveyed per unit time by the pressure-medium pump (14) can be varied and its conveying direction (I, II) can be reversed.
Jungheinrich Aktiengesellschaft
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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