Patent ID: 7311034
Filing Date: 2007-12-25
Classification: F01B,F04B

Abstract:
1. Hydraulic device, comprising a housing with line connections and, inside the housing, a rotor, which can rotate about a first axis and has pistons, drum sleeves, which can rotate about a second axis (m 1 , m 2 ) and have a chamber in each drum sleeve, formed, by a cylindrical wall and the piston, it being possible for the first axis to form a first angle (β) with the second axis (m 1 , m 2 ), and, between the drum sleeves and the housing, a first face plate with face-plate ports, it being possible for the face plate to form part of the housing, in such a manner that a face-plate port may be part of a first passage between a line connection and a chamber, characterized in that a drum plate, which can rotate with the drum sleeves about the second axis (m 1 , m 2 ), is arranged between the first face plate and the drum sleeves, the drum plate being provided with drum ports which form part of the first passage, and each drum sleeve can be displaced across the drum plate at right angles to the second axis, in such a manner as to form a seal.