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Patent Searching and Data


Matches 601 - 650 out of 6,357

Document Document Title
WO/1989/011593A1
This invention relates to a main bearing device for the motor of a bent axis type axial piston pump constructed in such a fashion that the sum of a thrust load and a radial load acting on first and second bearings disposed in a tandem ar...  
WO/1989/010487A1
A roller-blade hydraulic machine comprises a hollow casing (1) with channels (2, 3) for the inlet and outlet of the working medium. The casing (1) is provided with recesses opening toward the hollow of the casing (1), inside which are pl...  
WO/1989/006604A1
An apparatus for mounting and demounting tyres on to and from a rim, respectively, comprises a device (14) for turning the rim, designed as a pneumatic motor with a rotor and a stator having radially disposed piston and cylinder units an...  
WO/1989/006216A1
A rotator for crane-mounted working implements comprises a housing (7) swingably connectible with the tip of the crane via a joint, and a pivot shaft (8) connectible with the working implement and pivotal relative to said housing by mean...  
WO/1989/002515A1
A gearwheel motor has two mutually engaged externally toothed wheels (14, 15) against the side surfaces of which is pressed a sealing plate (26) by means of two approximately concentric compression fields (A, B). The two compression fiel...  
WO/1989/002032A1
The motor described comprises a casing (1) containing a stack of piston chambers (35) incorporated between a basic piston chamber (2) and a sealing block (3-5). The annular space between the casing and the piston chamber is divided into ...  
WO/1988/009872A1
Motor apparatus which converts hydraulic energy and change of state expansion energy to mechanical energy. The motor (10) includes a main chamber (32) divided by a piston (34) into a charging chamber (36) and an exhaust chamber (38) duri...  
WO/1988/007133A1
A variable-capacity hydraulic motor capable of being mounted simply on a power shovel without interfering with or projecting outward from a truck frame, and capable of being manufactured easily. The variable-capacity hydraulic motor (M')...  
WO/1988/003992A1
A variable-capacity piston machine having a valve plate (3) provided with a high-pressure port (5) and a low-pressure port (6) used to supply and discharge a fluide into and from a piston chamber (80) in a cylinder block (2), and first a...  
WO/1988/001348A1
The hydromechanical drive consists of three main parts: hydraulic drive cylinders (2), a regulator and a gear box (6). In applying the drive cylinders (2) and the regulator these are showing a completely new principle deviating of all co...  
WO/1987/005972A1
A piston engine, in particular a radial piston engine, is provided with a housing (1) containing movable pistons (8) and a drive shaft (3) carried on a bearing in said housing. The drive shaft is provided with a second bearing designed a...  
WO/1987/003927A1
Conventional rotary-vane hydraulic actuators require external pressure sources. The hydraulic actuator (35) disclosed utilizes the centrifugal head developed in its pressure chambers (52, 54) when the entire actuator (35) rotates as a so...  
WO/1986/006787A1
A high torque, low speed hydraulic motor with radial slots (14) formed in the inner face of a housing forming working chambers; lobed rotors (22) have lobes (23) meshing with each chamber in turn as a drive element, on which the rotors (...  
WO/1986/005554A1
A hydraulic motor, in which a rotating motion is generated by a combined effect of a cam ring (2) and roller means (6) connected to the pistons (5) of a cylinder group (3). The object is to provide a new dummy coupling solution for a mot...  
WO/1986/004638A1
Apparatus (20) responsive to fluid pressures and capable of providing fluid under pressure to provide a unit which may selectively be used as a fluid motor or a fluid driven motor pump unit depending upon fluid directing and control stru...  
WO/1986/003547A1
Unitary cage assembly (52) annularly positioning a plurality of rollers (36) in a pair of roller bearings (32 and 34) supporting a cradle swashplate (24). By utilizing the unitary cage assembly, a parallel relationship between the roller...  
WO/1986/002128A1
The pinion motor has two pinions which engage on their external sides (14, 15) the shafts of the pinions being supported on both sides in bearings (18 to 21). The bearing elements (19, 21) on one side of the pinions are designed with a l...  
WO/1986/000956A1
Energy efficient variable displacement motor driven power drive unit using a multi-variable feedback control system to control system output position and speed. More particularly, a variable displacement hydraulic motor (10) connected to...  
WO/1986/000376A1
The motor is provided with supply pistons (2) axially displaced by an oblique plate (10) with respect to the motor shaft (5), said plate being orientable by a controlling device with respect to a pivoting axis. The pivoting axis (S) is e...  
WO/1986/000377A1
The pump comprises a cylinder drum (20 converted to a shaft (1) and equipped with pistons (4) fitted in cylinders (3). The piston heads press against the oscillating plate (7) in such a way that the forces of the pistons do not produce o...  
WO/1985/005402A1
A rotary hydraulic engine (10) having a stationary crankshaft (14) with an eccentric crank portion (16) disposed thereon. A housing (18) is rotatable about the crankshaft (14). At least two pairs of cylinders (20) are connected to the ho...  
WO/1985/004929A1
Construction of a large-capacity motor constituting a driving mechanism for a rotary system, which is operated at a comparatively low rotational speed, and which requires strong torque, in a large structure. This motor is of the system i...  
WO/1985/003554A1
New type of piston machine operating as a piston pump or piston engine, preferably called a diagonal engine, which, with the aid of hydrostatic bearings (9, 39), is constructed with the cylinder through-bores (5, 6, 35) having an area fr...  
WO/1984/003330A1
A rotary blade machine, for example, a blades pump mainly comprising a rotor (1) having outwardly opening, axial slots (3), a blade (7) slidably arranged in each slot and a stator surrounding the rotor with the blades and having inlet an...  
WO/1983/004284A1
A rotary radial piston pump or motor has a cylinder barrel (13) rotating on a fixed pintle (14) with a fluid exit (9) at the fixed end of the pintle and an inlet (8) at the opposite free end. A fluid impeller (65, 66) boosts the pressure...  
WO/1983/003445A1
An electro-hydraulic control system for a power drive unit having a wobbler controlled variable displacement hydraulic motor (10) wherein the electro-hydraulic control system causes the displacement of the hydraulic motor to match a load...  
WO/1983/002482A1
A hydraulic radial piston pump or motor comprises a rotary cylinder unit (20) mounted to rotate on a fixed pintle (25), the unit (20) having radial cylinder bores formed by cylinder sleeves (23) each housing a piston (40) connected by a ...  
WO/1983/001649A1
A fluid motor operated by a gas or a liquid and having two relatively rotatable parts comprises a plurality of pistons (10) which cooperate with a cam member (1) to produce the rotational output from the motor. The cam member (1) has at ...  
WO/1982/001030A1
A planetary hydromotor comprises a casing (1) with a stator gear (2) and, mounted inside the casing, a shaft (3) with a gear (4), an annular rotor (11) mounted eccentrically in relation to the shaft (3) and two covers (5 and 6). The shaf...  
WO1982000173A1
A planetary hydromotor comprises a stator gear (1) with a rotor (3) located inside it and covers (5, 6) contacting with butt-end surfaces of the rotor (3) and the stator gear (1). A lever (7) is fixed with one of its ends to the stator g...  
WO/1981/000597A1
In a pump or fluid motor (11, 11a, 11b) having a closed chamber (57) in which cylinders (38) orbit and reciprocate, leakage and cooling fluid which accumulates in the chamber (57) is formed into a rotating annular volume by centrifugal e...  
WO/1981/000287A1
A radial piston device such as a radial piston motor (10) has a rotor assembly (34) rotatably positioned within a cylindrical race (43) which is movable to a first displacement position by a first piston (52) and a second displacement po...  
WO/1980/001936A1
A planetary gear mechanism comprising a casing (1) which contains inside at least one kinematic pair with internally-toothed gears. The kinematic pair includes an element (3) having a transient motion in relation to another element (2), ...  
WO/1980/000867A1
A pumping apparatus for pumping liquids such as slurrys comprises a pumping cylinder/piston (6, 8) driven by the piston/cylinder (16, 18) of an operating device, the supply of fluid under pressure either to an upper port (16a) of the cyl...  
WO/1979/000264A1
A hydraulic pressure motor with low speed and high torque for applications in mechanical engineering mainly in large-sized equipment, hydrostatic transmissions, and the like. Current hydraulic motors have countless moving components and ...  
WO/1979/000263A1
A constant displacement reversible hydraulic vane motor capable of being used in power hydraulic systems, hydrostatic transmissions, and the like. In existing motors with vanes mounted in the rotor and inlet and exhaust passages in the h...  
WO/1979/000264A2
A hydraulic pressure motor with low speed and high torque for applications in mechanical engineering mainly in large-sized equipment, hydrostatic transmissions, and the like. Current hydraulic motors have countless moving components and ...  
JP2014181578A
To provide a radial piston type hydraulic machine and a wind power generation apparatus which can be down-sized.A radial piston type hydraulic machine includes: a plurality of pistons 22 arranged along in the radial direction; a cylinder...  
JP2014181625A
To provide a swash plate type piston pump motor capable of restraining deterioration of pump efficiency during low-speed rotation while preventing a shoe from floating during high-speed rotation.A swash plate type piston motor 100 compri...  
JP2014181675A
To provide a hydraulic machine and wind power generating equipment which permits a high-speed hydraulic machine and can provide a long-life piston and cylinder.A hydraulic machine includes: at least one cylinder 24; at least one piston 2...  
JP2014177872A
To provide an axial piston motor capable of achieving miniaturization, weight saving, and a reduced number of parts of a tilting control mechanism.A tilting control mechanism 8 controls a tilting angle of a swash plate 7. In the tilting ...  
JP2014524532A  
JP5590732B2  
JP2014167299A
To provide an internal combustion engine having at least one flow channel for a gas volume to be expanded passing through a liquid holder so that the gas volume expanded by burning a combustible mixture in a chamber, can act on a liquid....  
JP5588905B2  
JP5588557B1  
JP2014163376A
To provide a hydraulic motor allowed to be downsized.A hydraulic motor comprises: at least one auxiliary valve 186 for controlling supply of working fluid to at least one operation chamber 24 independently of a plurality of high pressure...  
JP2014163375A
To provide a radial piston type fluid machine allowed to be downsized in a radius direction of a rotary shaft.A radial piston type fluid machine comprises a housing 23 and a valve block 38. The valve block includes: a valve block high-pr...  
JP2014163377A
To provide a valve cylinder interface which can enlarge a flow-path cross-sectional area between a valve and a working chamber.A valve cylinder interface is for communication between a working chamber, which is formed by a cylinder 22 an...  
JP2014521858A  

Matches 601 - 650 out of 6,357