53results about How to "Relatively low linear speed" patented technology

A drilling apparatus includes a cutting structure defined by a percussive action cutter and at least one other cutter. The percussive action cutter is adapted to be urged in a drilling direction by hydraulic pressure force, while the other cutter is urged in a drilling direction by mechanical force.

A sheet discharging tray device includes: a discharging section from which a sheet is discharged; a discharging tray on which the sheet discharged from the discharging section is stacked sequentially; a tray drive section which drives the discharging tray in a tray shift direction that is perpendicular to a sheet discharging direction from the discharging section with reference to a sheet surface; a controller which conducts a tray shift operation that shifts a position of the discharging tray under a condition of the number of sheets stacked on the discharging tray, and a sheet detection section which detects an alignment deviation in the tray shift direction. The controller changes an operation status of the discharging tray when a tray shift operation is conducted and changes a discharging operation of a sheet to the discharging tray, based on a detected result of the sheet detection section.

This invention describes a device for the generation of electric energy from small movements which comprises: a magnet with the shape of a solid of revolution which comprises at least a couple of poles (N, S) placed around an axis of revolution; a tube whose transversal section is complementary to the shape of the magnet, and which comprises a winding rolled transversally around it, with the magnet placed in the interior of the tube so that an inclination of the tube causes the magnet to roll, traveling along the interior of the tube and inducing tension on the winding.

A method for improving productivity and process stability in styrene monomer manufacturing system using a reaction system having multiple reactors connected in series, which can prevent destruction of the embedded catalyst and bending of a screen which supports catalyst and achieve homogeneous catalyst inactivation during the reaction by divergence of some portions of the feed containing steam and ethylbenzene and injection thereof into a certain point of the system.

The invention discloses a high-performance variable multi-blade pump. The high-performance variable multi-blade pump comprises a shell, a rotor, blades and sliding shoes. The outer side of the rotor is covered with the shell. The shell is semi-spherical, a circular ring K1 extends inwards from the end surface of the shell, and the circular ring K1 passes the spherical center of the shell. The rotor is provided with at least three chutes which are evenly distributed in the circumferential direction. Blades are slidably arranged on the chutes, the outer end heads of the blades are arranged on the sliding shoes, and the sliding shoes are abutted against the side surface of the circular ring K1. A cavity is formed among every two adjacent blades, the rotor surface, the inner wall of the shelland the side wall of the circular ring K1. The axis of the rotor and the axis of the shell do not coincide. According to the high-performance variable multi-blade pump, the relative linear velocity ofthe blades and the shell is very small, the blades can operate at extremely high speed, the size is very small, the displacement is very large, and the output pressure is very high.

A method for inspecting an optical information storage medium includes irradiating the medium with a laser beam and rotating the medium by a constant linear velocity control technique by reference to the radial location at which the laser beam forms a spot on the medium; changing the rotational velocities according to the radial location on the medium between at least two linear velocities; generating a focus error signal and / or a tracking error signal based on the light reflected from the medium; performing a focus control and / or a tracking control on the laser beam based on the focus and / or tracking error signal(s); and passing the branched outputs of control loops for the focus and / or tracking error signal(s) through predetermined types of frequency band-elimination filters to obtain residual errors of the focus and / or tracking error signal(s) and comparing the residual errors to predetermined reference values.

The invention discloses a high-performance vane hydraulic motor. The high-performance vane hydraulic motor comprises a housing, rotors and vanes, the rotors are covered with the housing, the housing is in a hemispheric shape, a lap of circular ring K1 is arranged on the end face of the housing in an inward extending mode, the vanes are mounted on locating grooves, sliding grooves corresponding tothe locating grooves in an one-to-one mode are formed in the rotors, the vanes on the locating grooves are further arranged on the sliding grooves in a sliding mode and are sealed through sealing elements, the outer ends of the vanes are mounted on sliding shoes, the sliding shoes abut against the side face of the circular ring K1, a containing cavity is formed among every two adjacent vanes, thesurface of a circular groove, the inner wall of the housing and the side wall of the circular ring K1, oil ports are formed in the rotors and are the same as the containing cavities in number, one oilport communicates with the corresponding containing cavity, the two ends of the rotors are connected with oil distribution blocks, a convex circular ring J1 is arranged on the outer wall of the housing, the convex circular ring J1 is arranged in a guide groove of a guide block, and the axis of the rotors and the axis of the housing do not coincide. The volume of a high-pressure oil driving chamber is increased or decreased periodically, thus the rotors are driven to rotate, and power output is realized.

The invention discloses a high-performance variable multi-blade pump. The high-performance variable multi-blade pump comprises a shell, a rotor, blades and sliding shoes. The outer side of the rotor is covered with the shell. The shell is semi-spherical, a circular ring K1 extends inwards from the end surface of the shell, and the circular ring K1 passes the spherical center of the shell. The rotor is provided with at least three chutes which are evenly distributed in the circumferential direction. Blades are slidably arranged on the chutes, the outer end heads of the blades are arranged on the sliding shoes, and the sliding shoes are abutted against the side surface of the circular ring K1. A cavity is formed among every two adjacent blades, the rotor surface, the inner wall of the shelland the side wall of the circular ring K1. The axis of the rotor and the axis of the shell do not coincide. According to the high-performance variable multi-blade pump, the relative linear velocity ofthe blades and the shell is very small, the blades can operate at extremely high speed, the size is very small, the displacement is very large, and the output pressure is very high.

The invention provides a high-performance vane hydraulic pump, which includes a casing, a rotor, blades, an oil distribution block and a guide block. A chute is formed between the two shifting blocks, and a ring groove is formed on the side wall of the rotor. In the ring groove, the same number of positioning grooves as the shifting blocks are evenly opened along the circumferential direction. A blade is installed on each positioning groove, and the blade is inserted into the sliding In the groove, there is a shifting block in each cavity, and a cavity is formed between two adjacent blades, the surface of the ring groove, the shifting block and the inner wall of the housing; one end of the rotor is connected with an oil distribution block; The convex ring J1 on the outer wall is placed in the guide groove of the guide block; the axis of the rotor and the axis of the housing do not coincide; when the rotor rotates, the shift block slides back and forth between the two blades, so that the volume of the cavity changes Periodic changes.

The invention discloses a high-performance and large-torque multi-blade motor. The high-performance and large-torque multi-blade motor comprises a shell body, a rotor and blades, a round of ring K1 extends in the center of the inner wall of the shell body to the direction of center of a ball, and at least three first positioning grooves are evenly formed in the inner wall of the shell body in thecircumferential direction. A second positioning groove is formed in the ring K1, and the blades are arranged on the first positioning grooves and the second positioning groove at the same time. The second positioning groove divides the ring K1 into a plurality of partition plates, a ring groove is formed in the center of the rotor side wall, left sliding grooves corresponding to the first positioning grooves one by one are formed in the left side surface of the ring groove, right sliding grooves corresponding to the first positioning grooves one by one are formed in the right side surface of the ring groove, the two ends of the blades are separately placed on the left sliding grooves and the right sliding grooves in an accommodating mode. An accommodating cavity is formed between the adjacent two blades, the surface of the ring groove and the inner wall of the shell body, each partition plate is arranged in each accommodating cavity, and the partition plates divide the accommodating cavities into left accommodating cavities and right accommodating cavities. The volume of the accommodating cavities is driven by high pressure oil to increase and decrease periodically, so that the rotor is driven to rotate, and the output of power is realized.

The invention discloses a high-performance variable vane pump, which includes a housing, a rotor and blades. The housing covers outside the rotor, the housing is hemispherical, the end face of the housing extends inwards to be provided with a circle of circular rings K1, the circular rings K1 pass through the sphere center of the housing; positioning grooves are provided with the blades, the rotoris provided with sliding grooves corresponding to the positioning grooves one to one, and the blades on the positioning grooves are further slidably arranged on the sliding grooves and sealed throughsealing parts; the outer end tips of the blades are installed on sliding shoes, the sliding shoes abut against the side faces of the circular rings K1, an accommodating cavity is formed among every two adjacent blades, the surface of a ring groove, the inner wall of the housing and the side walls of the circular rings K1, the rotor is provided with oil ports with the same number as the accommodating cavities, each oil port communicates with the corresponding accommodating cavity, and both ends of the rotor are connected with oil distribution blocks correspondingly; and the outer wall of the housing is provided with a convex circular ring J1, the convex circular ring J1 is placed in a guide groove of a guide block, and the axis of the rotor do not coincide with that of the housing. According to the high-performance variable vane pump, the relative linear velocity between the blades and the housing is zero, and running at the extremely high speed can be achieved.

The invention provides a high-performance multi-blade hydraulic motor. The high-performance multi-blade hydraulic motor comprises a shell, a rotor, blades, oil distribution blocks and guide blocks. The outer side of the rotor is covered with the shell. At least three shifting blocks which are uniformly distributed in the circumferential direction are arranged in the shell. A chute is formed between every two shifting blocks. A ring groove is formed in the centring position of the side wall of the rotor. Positioning grooves with the same number as the shifting blocks are uniformly formed in thering groove in the circumferential direction. A blade is mounted on each positioning groove. A cavity is formed among every two adjacent blades, the surface of the ring groove and the inner wall of the shell. The blades are inserted into the corresponding chutes. One shifting block is arranged in each cavity. Each cavity is partitioned into a first cavity body and a second cavity body by the corresponding shifting block. Both ends of the rotor are correspondingly connected with the oil distribution blocks, A convex ring J1 of the outer wall of the shell is arranged in guide grooves of the guide blocks. The axis of the rotor and the axis of the shell do not coincide. The volume of a high-pressure oil driving chamber periodically increases and decreases, so that the rotor is driven to rotate, and power output is realized.