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Patent Searching and Data


Matches 701 - 750 out of 6,708

Document Document Title
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/1986/000377A1
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/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/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 ...  
JP2017115801A
[Subject] A hydraulic pump motor which can tilt a plate (slanting board) according to a mechanism in which it has simple composition is provided. [Means for Solution] Hydraulic pump motor 10 is provided with the following. Axis of rotati...  
JPWO2016027376A1
本発明は、簡易な構造で回転軸の回転方向及 び回転数を検出することがとともに、被検出 部の加工を容易に行うことができる回転検出 機構付き油圧ポンプ・モータを提供する...  
JPWO2016067472A1
本発明は、吐出工程から吸込工程に移行する 際のシリンダボア25内の残圧による回転ア シスト能力を高めつつ、吸込能力の低下を抑 えることを目的とする。このため、回転...  
JPWO2016024519A1
一対の歯車と、歯車が収納される液圧室を有 する本体(3)と、一対の軸受部材(40, 45)と、一対の側板(30,35)と、側 板(30,35)と軸受部材(40,4...  
JPWO2015140986A1
歯部が相互に噛み合う第1歯車10及び第2 歯車15と、第1歯車10及び第2歯車15 が収納される液圧室4を有する本体3と、第 1歯車10の第1及び第2回転軸11,...  
JP2017057791A
[Subject] The endurance of a shoe of a liquid pressure rotating machine is raised. [Means for Solution] Cylinder block 2 which piston pump motor 100 rotates with shaft 1, Piston 6 slidably inserted into cylinder 2b formed in cylinder blo...  
JP2017057726A
[Subject] The gear pump or gear motor which can adjust the distance from the tooth point of the 1st gear to Tooth bottom of the 2nd gear to the optimal value is provided. [Means for Solution] It had the 1st gear and the 2nd gear which me...  
JP2017057790A
[Subject] A manufacturing cost of a liquid pressure rotating machine is reduced. [Means for Solution] A plurality of cylinders 2b which are formed in rotating cylinder block 2 and are arranged with a predetermined interval at a periphera...  
JP2017057723A
[Subject] Seal nature between a tip part tip and a tooth bottom of a gear of another side gets worse. [Means for Solution] Gear pump 1 of the present invention is provided with casing 6 which stores a drive gear and a driven gear which m...  
JP6100201B2  
JP2017053291A
[Subject] Radial piston type hydraulic machinery which can control a life fall of radial piston type hydraulic machinery resulting from wear by contact with a roller and a side board is provided. [Means for Solution] A plurality of rolle...  
JP2017507270A
スラスト・エンジンは、スラスト方向制御弁 (101)、スラスト制御弁(105)、ピ ストン・ラック(303)付きピストン(3 02)を有する複数のシリンダ(301...  
JP6097134B2  
JP2017048690A
[Subject] Efficiency of a water pressure rotating machine is raised. [Means for Solution] Cylinder block 2 to which shaft 1 is connected with piston pump 100, A plurality of cylinders 2b formed in cylinder block 2, and piston 6 slidably ...  
JP2017048689A
[Subject] Efficiency of a liquid pressure rotating machine is raised. [Means for Solution] Cylinder block 2 to which shaft 1 is connected with piston pump 100, 200, It has a plurality of cylinders 2b formed in cylinder block 2, piston 6 ...  

Matches 701 - 750 out of 6,708