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Patent Searching and Data


Matches 651 - 700 out of 6,497

Document Document Title
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 ...  
JP2015535906A
油圧トランスミッションは、可変容量型の油 圧ポンプ及び油圧モータを備え、該油圧ポン プ及び油圧モータの少なくとも一方は、シリ ンダ作動容積の各サイクルにおいて該シ...  
JP5832668B2  
JPWO2013146393A1
互いに摺接する摺接部材であって、一方の摺 接部材の摺接部はアモルファス炭素により形 成され、他方の摺接部材の摺接部は銅合金ま たはアルミニウム合金により形成される。  
JP2015222037A
【課題】使用する制御弁の数を低減可能な流 体機械を提供することを目的とする。【解決 手段】上記課題を解決するために、低圧マニ ホルド110及び高圧マニホルド109...  
JPWO2013146450A1
流体圧ポンプモータ(100,200,30 0,400)は、流体圧ポンプ(10)に吸 い込まれる作動流体が流れるとともに流体圧 モータ(20)から排出される作動流体...  
JP5829961B2  
JP2015212522A
【課題】斜板形液圧回転機であって、シュー の転倒を防止可能であり、且つ、良好な組立 作業性を備えたものを提供する。【解決手段 】斜板形液圧回転機が、回転軸3に対す...  
JP5822512B2  
JP2015533199A
第1アセンブリを定義するケーシング(6) と、第2アセンブリを定義するシャフト(2 )と、前記第1アセンブリまたは前記第2ア センブリの一方に回転時に接続されるマ...  
JP5818967B2  
JP2015200316A
【課題】伝動フランジにおけるピストンのロ ックを簡単に製造でき、機械の軸方向寸法を 減じることができるような斜軸式のアキシャ ルピストン機械を提供する。【解決手段...  
JP2015200318A
【課題】高回転数で運転することができ、か つ同時に高い効率を有するアキシャルピスト ン機械を提供する。【解決手段】伝動フラン ジ3の回転時に、スライドシュー105...  
JP2015200317A
【課題】圧力媒体排除されたハウジングを用 いて運転可能となり、かつ連行ジョイントの 連行体の十分な冷却および潤滑を有するよう なアキシャルピストン機械を提供する。...  
JP5805747B2  
JP2015190327A
【課題】シリンダブロックを効率的に回転駆 動させることが可能な液圧回転機を提供する 。【解決手段】液圧回転機100,200は 、回転軸1に固定されたシリンダブロッ...  
JP2015190394A
【課題】液圧回転機のシリンダ内に設けられ るブッシュの抜け止め性能を向上させる。【 解決手段】作動流体の給排によって回転作動 する液圧回転機100であって、シャフ...  

Matches 651 - 700 out of 6,497