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Patent Searching and Data


Matches 701 - 750 out of 6,630

Document Document Title
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 ...  
JP6023907B1
[Subject] A piston which can bear high pressure and can hold down a manufacturing cost is provided. [Means for Solution] In a piston, an oil passage which it is cylindrical, and a concave partial ball-like bulb and a cylindrical hollow p...  
JP2016188588A
[Subject] Hydraulic machinery and a renewal energy type power generator which can make a cylinder support to the static member side, enabling free rocking are provided. [Means for Solution] A cam rotated with a rotating shaft, and a plur...  
JP2016186312A
[Subject] A method of enabling operation of longer lasting fluid operation machinery and an electric power absorption structure of operating fluid machinery, and such fluid operation machinery are provided. [Means for Solution] It is the...  
JP2016183621A
[Subject] Part mark of brake equipment are reduced and a manufacturing cost of a liquid pressure motor is reduced. [Means for Solution] Brake equipment 20 which brakes hydraulic system motor 1, It has brake springs 35 and 45 compressed a...  
JP6010428B2  
JP6006811B2  
JP2016176407A
[Subject] Liquid pressure slewing mechanism which can rotate an output axis with liquid pressure, or can rotate an input axis, and can pressurize a fluid, and can simplify whole structure is provided. [Means for Solution] Ring member 12 ...  
JP2016169718A
[Subject] In a gear pump or a motor provided with a gear which makes a pair which gears mutually, an axis which supports these gears pivotally, respectively, and a casing which has a gear storage room for storing the gear, they are small...  
JP2016529438A
本発明における流体装置は、中央ボア、この 中央ボアから半径方向外向きに延びた複数の 整流子孔、及び、これら複数の整流子孔と流 体連通した複数の軸方向通路を形成する...  
JP5993138B2  
JP5990341B2  
JP2016164388A
[Subject] In an oil pressure motor for revolution motors, a check valve system is provided in a portion which is open for free passage inside a housing and reduction gears via an orifice from an oil pressure port, an abnormal rise of Dra...  
JP2016164423A
[Subject] In an oil pressure drive reduction gear device, even if an epicyclic gear rotates in response to load of a shaft direction, it is considered as structure without the danger of breakage of reduction gears by conclusion of a bolt...  
JPWO2014061608A1
弁板(12)の摺動面(12A)に焼結銅合 金の摺動層(21)を形成する。即ち、弁板 (12)は、鋳鉄や鋼等の鉄系材料により形 成する。そして、その表面となる摺動面...  
JP2016526631A
本発明は、軸方向穴(4)を有するシリンダ ブロック(1)と、軸方向穴(4)の中で延 在し、かつ回転軸(3)のまわりで回転可能 であるクランクシャフト(2)と、軸方...  
JP5983433B2  
JP5981877B2  
JP2016151270A
[Subject] Sliding structure in a hydraulic system, a hydraulic pump, a hydraulic system motor, and a hydraulic system which can maintain the seal characteristic (or sliding characteristic) in sliding surfaces (or sliding surfaces) used a...  
JP2016524086A
第1の油圧ピストン駆動ユニットを用いた静 油圧アセンブリについて記述され、静油圧ア センブリの出力は、第2の油圧ピストン駆動 ユニットを組み込み、両駆動ユニットの...  
JP2016138525A
[Subject] Processing cost for positioning a slanting board in a case is controlled. [Means for Solution] The 2nd bearing 15 by which a hydraulic pump or hydraulic system motor 1 was fixed to case 10, Axis of rotation 20 held enabling fre...  
JP2016138527A
[Subject] The hydraulic pump motor which can supply lubricating oil to a bearing without enlarging thickness of the wall of a case is provided. [Means for Solution] The 2nd bearing 15 by which hydraulic pump motor 1 was fixed to case 10,...  
JP2016521830A
本発明は、回転軸(3)のまわりで回転可能 であるクランクシャフト(2)と、回転軸( 3)のまわりで互いに間隔を置いて配置され るバルブシリンダ装置(13)の隣接す...  
JP5953568B2  
JP5948081B2  
JP5947954B1
[Subject] A piston which can bear high pressure and can hold down a manufacturing cost is provided. [Means for Solution] In a piston, an oil passage which it is cylindrical, and a concave partial ball-like bulb and a cylindrical hollow p...  
JP5945895B2  
JP2016113948A
[Subject] Lubricating oil of the reduction-gears interior of a room aims at providing an oil pressure run motor with reduction gears which acts on an epicyclic gear effectively. [Means for Solution] Fundamentally, oil pressure run motor ...  
JP5937352B2  
JP5937351B2  
JP2016109075A
[Subject] It can manufacture at low cost and provides a hydraulic device which can moreover be assembled easily. [Means for Solution] The 1st circular sulcus (116) is established in a peripheral face of an anti-power receptacle member (1...  

Matches 701 - 750 out of 6,630