Class / Patent application number | Description | Number of patent applications / Date published |
418029000 | Rotating inner working or reacting member repositioned relative to cylinder | 6 |
20090155111 | ROTARY-TYPE FLUID MACHINE AND REFRIGERATION CYCLE APPARATUS - A rotary-type fluid machine ( | 06-18-2009 |
20110142703 | VARIABLE DISPLACEMENT VANE PUMP - A variable displacement vane pump including a relief valve which includes a valve bore, a spherical valve element in the valve bore, a valve seat fixed onto one axial side of the valve bore and having a through hole and an annular seat surface on which the valve element is seated when the relief valve is in a closed position, a coil spring disposed on the other axial side of the valve bore, and a valve element retainer disposed between the valve element and the coil spring, wherein the seat surface is configured such that when the relief valve is in the closed position, a center of the valve element is located offset from a central axis of one winding seating portion of the coil spring which is disposed on an opposite side of the seat surface, in a radial direction of the valve bore. | 06-16-2011 |
20110280757 | ROTARY MACHINE OF THE DEFORMABLE RHOMBUS TYPE COMPRISING AN IMPROVED TRANSMISSION MECHANISM - A rotary machine with a deformable rhomb includes a rotor formed by a deformable rhomb in contact, with or without clearance, with an internal surface of a housing forming a stator and/or with an external surface of a central crown, the deformable rhomb including four pistons connected one following the other by a pivotal hinge with an axis parallel to a longitudinal axis of the housing and thus forming a closed chain; a transmission mechanism to transmit movement between the pistons and a rotation shaft coaxial to a central axis of the machine, the transmission mechanism including a first rolling body mounted fixedly on at least one piston, an axis of the first rolling body passing in the centre of the piston and connected to a second rolling body, a centre of which passing through the central axis of the machine and being integral with the rotation shaft, the first rolling body being connected to the second rolling body directly or by an intermediate transmission member, wherein a demultiplication ratio between the first and the second rolling body is equal to 2 and is positive. | 11-17-2011 |
20120164013 | Positive-Displacement Pump Including a Pressure Absorber - The positive-displacement pump ( | 06-28-2012 |
20140241927 | VANE-TYPE HYDRAULIC DEVICE - A vane pump ( | 08-28-2014 |
20150056090 | VARIABLE CAPACITY TYPE VANE PUMP - In a variable capacity type vane pump in which a cam ring pivots, a discharge port is so formed that an absolute value of a difference between a discharge port start edge line inclination angle and a discharge port end edge line inclination angle is larger than a vane angle. | 02-26-2015 |