44results about How to "Even oil supply" patented technology

The invention relates to an engine assembly, and in particular relates to a variable-compression-ratio mechanism of an engine. The variable-compression-ratio mechanism comprises a cylinder cover, wherein a hydraulic cylinder communicated with a combustion chamber of the cylinder is arranged on the cylinder cover; and a variable-pressure piston which can slide in the hydraulic cylinder under drive of a hydraulic device is arranged in the hydraulic cylinder. The variable-pressure piston is driven to move in the hydraulic cylinder through the hydraulic device, and the volume of a part at which the hydraulic cylinder is communicated with the combustion chamber can be changed, so that the total size of the combustion chamber is changed, the aim of changing the compression ratio of the engine is fulfilled, and the structures of a crankshaft and a connecting rod are not required to be changed.

There is disclosed an apparatus including a freezing unit in which the freezing unit can be operated without any trouble even when a main body rotates. A liquid crystal display projector (an apparatus) including a freezing unit having a refrigerant circuit constituted of a compressor, a radiator, a capillary tube (a pressure reducing unit), an evaporator and the like includes a rotator as a posture adjustment unit for adjusting the main body to a basic posture to maintain at least a lubricating performance of the compressor in accordance with a posture change of the main body. The rotator rotates to adjust the basic posture of the whole freezing unit, and a rotary shaft of this rotator is arranged in parallel with an optical axis of a light source on the same plane.

There is provided a horizontal rotary compressor capable of improving performance thereof while an oil supply means smoothly supplies oil. A part of a hermetic shell case (12) at the upper side is partitioned by a baffle plate (200) into an electric element (14) side and an oil pump (101) side, a refrigerant which is drawn from an outside of the hermetic shell case (12) is compressed by a first rotary compression element (32) and a second rotary compression element (34) and discharged toward the electric element (14) side of the baffle plate (200), then it is further discharged from oil pump (101) side toward the outside of the hermetic shell case (12). The baffle plate (200) closes a flow path area of the refrigerant over an oil level inside the hermetic shell case (12) at a ratio ranging from not less than 50% to not more than 80% during the stoppage of the horizontal rotary compressor. <IMAGE>There is provided a horizontal rotary compressor capable of improving performance thereof while an oil supply means smoothly supplies oil. A part of a hermetic shell case (12) at the upper side is partitioned by a baffle plate (200) into an electric element (14) side and an oil pump (101) side, a refrigerant which is drawn from an outside of the hermetic shell case (12) is compressed by a first rotary compression element (32) and a second rotary compression element (34) and discharged toward the electric element (14) side of the baffle plate (200), then it is further discharged from oil pump (101) side toward the outside of the hermetic shell case (12). The baffle plate (200) closes a flow path area of the refrigerant over an oil level inside the hermetic shell case (12) at a ratio ranging from not less than 50% to not more than 80% during the stoppage of the horizontal rotary compressor. <IMAGE>

The invention provides a friction plate clutch oil supply device of a double-speed gear box transmission error test bed. The oil supply device is mainly composed of a gear shaft, an oil supply shaft section, an oil supply end cover, a shaft seal seat, a baffle, a coupling shaft section, a lip-shaped seal ring, a rotary joint, an O-shaped seal washer, a threaded pin and an oil cup. Working oil and lubricating oil for a clutch are connected to the oil supply end cover through a pipe joint, the oil supply end cover conveys oil for the clutch to an internal oil path of the gear shaft through the rotary joint and the oil supply shaft section and finally enters a tooth web type friction plate clutch, and the lip-shaped seal ring is arranged at the shaft seal seat to prevent high-pressure oil from leaking out of a gear box. According to the friction plate clutch oil supply device of the double-speed gear box transmission error test bed, the working oil and the lubricating oil of the friction plate clutch can be smoothly supplied while a transmission error measurer is smoothly connected, and the leakage of the internal oil and the pollution of external pollutants to the lubricating oil in the gear box can be avoided while the transmission error measurer is smoothly connected.

The invention discloses an intelligent hydraulic station, which comprises a lubricating oil feeding subsystem, a cooling oil feeding subsystem, a lubricating oil return subsystem and a cooling oil return subsystem. The intelligent hydraulic station is characterized in that the lubricating oil feeding subsystem and the cooling oil feeding subsystem respectively comprise a precision filter assembly, the precision filter assemblies comprise a precise filter, two one-way valves and a differential pressure sensor, the lubricating oil return subsystem comprises a jet device, a lubricating oil return channel of an electric spindle is connected with a negative pressure chamber interface of the jet device, and oil is sprayed out through the ejection port of the jet device. Defects of failure in oil supply and non-prompt lubricating oil return in case of filter blockage in the prior art can be overcome, smoothness of pressure lubricating oil supply and return can be ensured, bubbles generated in oil return process can be removed, the real-time monitoring of the oil feeding quantity and oil return quantity of the electric spindle lubricating system can be realized, and the intelligent hydraulic station can be widely applied in lubricating oil circulation systems for electric spindles and other hydrodynamic and hydrostatic functional components.

The invention discloses an electronic cigarette cartridge with a fluid one-way valve structure and application of the electronic cigarette cartridge. The electronic cigarette cartridge comprises a smoke cartridge shell; a one-way valve structural body connected with the smoke cartridge shell; a porous metal atomization element connected with the one-way valve structure body; and a base is connected with the porous metal atomization element. According to the electronic cigarette cartridge with the fluid one-way valve structure, different resistances are exerted on fluid flowing in the forward direction and the reverse direction of the Tesla valve, air guiding and no oil guiding can be achieved by reasonably designing the size of a Tesla valve pipe body, the air pressure of an oil bin can beadjusted in real time along with forward breakover of suction, and the smooth oil supply is guaranteed; and the problem of high-altitude negative-pressure oil leakage of the electronic cigarette cartridge can be solved by utilizing reverse resistance and consuming pressure difference.

The invention discloses an oil coating machine and is characterized in that an output end of a water oil separator (2) is connected with a reducing valve (6) of a consistent lubricant injection machine (1); an oil outlet (14) of the consistent lubricant injection machine (1) is communicated with an oil inlet (7) of a proportion valve (4) by a high-pressure oil tube I (8); an oil outlet I (9) of the proportion valve (4) is communicated with a greasing clamp (3) by a high-pressure oil tube II; a pipe (11) is arranged between the water oil separator (2) and the reducing valve (6) of a consistentlubricant injection machine (1) and is connected with an input end of a electromagnetic valve (5), the output end of which is connected with an input controlling end of the proportion valve (4); the monitoring plant is adjacent to an oil outlet II (12) in the upper part of the greasing clamp (3) and is corresponding to the electromagnetic valve (5).

The invention discloses an unmanned aerial vehicle fuel oil supply system and oil supply and refueling control methods. In the system, one part of an oil tank set is connected with a pressurizing oil pump through a first pipeline; the pressurizing oil pump is connected with a pressurizing oil tank through a third pipeline; the other part of the oil tank set is connected with an oil filling port through a second pipeline; the pressurizing oil tank is connected with the engine through an oil supply assembly. A four-way joint is arranged between the pressurizing oil pump and the first pipeline, and one end of the four-way joint is connected with the second pipeline through a fuel sequence control valve; the controller is connected with the pressurizing oil pump, the oil supply assembly and the fuel oil sequence control valve. The controller is further connected with a flight control computer and used for receiving the pressurization instruction and sending the oil pressure and the flow value. By means of the oil supply system, the oil supply system has the relative pressure ranging from 25 kpa to 50 kpa within the height range from 0m to 20,000 m under the condition that the use overload ranges from 1 g to 6 g to guarantee that oil is smoothly supplied to an engine.

The invention provides an oil supply mechanism of a curved needle seat in a sewing machine, which belongs to the technical field of machinery. The invention solves the problem that the traditional oil supply mechanism needs to process an oil guide structure at a curved needle seat and an actuating cam plate and can not supply oil to a curved needle. In the oil supply mechanism of the curved needle seat in the sewing machine, the curved needle seat comprises a support seat platform and an actuating cam plate, wherein the support seat platform and the actuating cam plate are mutually abutted together, and the actuating cam plate is articulated on the support seat platform by a connecting shaft; a curved needle hole capable of installing a curved needle is arranged on the support seat platform; an oil supply hole is arranged on the support seat platform; and an oil guide structure which can guide oil in the oil supply hole into the curved needle hole is arranged between the support seat platform and the actuating cam plate. The oil supply mechanism of the invention supplies oil to the contact surface of the support seat platform and the actuating cam plate and the curved needle, and the oil in the oil supply hole permeates into the contact surface of the support seat platform and the actuating cam plate by an oil guide structure and is supplied to the contact surface of the support seat platform and the actuating cam plate; meanwhile, the oil can also flow into the curved needle hole and is supplied to the curved needle.

An object is to inhibit a refrigerant leakage and enhance a performance of a compressor. The compressor comprises a driving element stored in a sealed container of the compressor, and a compression element driven by a rotary shaft of the driving element. This compression element comprises a cylinder in which a compression space is constituted; a suction port and a discharge port which communicate with the compression space in the cylinder; a compression member whose one surface crossing an axial direction of the rotary shaft is inclined continuously between a top dead center and a bottom dead center and which is rotatably disposed in the cylinder and which compresses a fluid (refrigerant) sucked from the suction port to discharge the fluid via the discharge port; and a vane which is disposed between the suction port and the discharge port to abut on an upper surface as one surface of the compression member and which partitions the compression space in the cylinder into a low pressure chamber and a high pressure chamber, and one surface of the compression member is disposed on a side opposite to the driving element.

The invention discloses a bypass one-way valve of a double-fuel supply system of a DME / diesel engine. The bypass one-way valve comprises an upper valve body and a lower valve body, wherein the upper valve body and the lower valve body are integrally shaped, and a valve cavity allowing a one-way valve assembly to be mounted is formed between the upper valve body and the lower valve body; the top of the upper valve body is connected with an oil outlet valve through threads, and the bottom of the lower valve body is connected with a pump body through threads; the bottom end of the lower valve body, the top end of a plunger piston and the inner wall of a plunger piston sleeve surround to form a pump cavity allowing fuel oil to be stored. Through the adoption of the bypass one-way valve disclosed by the invention, the problems that the pressure of a high-pressure oil circuit fluctuates fiercely and the oil supply quantity is in serious shortage caused by phase changes of DME in the fuel oil pump cavity in the oil supply process can be effectively solved, and an air resistance phenomenon caused by aerification of DME fuel in the high-pressure pump cavity is avoided.

Disclosed is a novel piston rod mechanism of forging and pressing machinery. The novel piston rod mechanism is characterized in that sealing rings are mounted on two sides of a bearing seat, a piston rod is mounted in the middle of the bearing seat, oil supply grooves are formed in the left side and the right side of the piston rod, an oil seal is arranged on each oil supply groove, and a double-fixing copper sleeve is mounted on the outer side of each oil supply groove and on the inner side of the corresponding sealing ring and mounted on the bearing seat through an own hole; oil inlets and oil return ports are arranged on the bearing seat and the double-fixing copper sleeve, so that lubricating oil is stored in the oil supply grooves after entering the double-fixing copper sleeves and flows out from the double-fixing copper sleeve through the oil return ports of the bearing seat after the oil supply grooves are filled with the lubricating oil to form good circulatory lubrication.

The invention discloses a permanent lubricating guide rail for an industrial robot. The permanent lubricating guide rail comprises an air inlet main pipe, limiting stop blocks, an executing mechanismand a base, wherein the limiting stop blocks are mounted on the two ends of the base; clamp slots are formed in both upper and lower side surfaces of the base; a plurality of upper roll balls are uniformly mounted on the upper side of the base through a retainer I in a rolling manner, and a plurality of lower roll balls are uniformly mounted on the lower side of the base through a retainer II in arolling manner; the executing mechanism and the clamp slots are buckled one another and attached to the upper roll balls and the lower roll balls; a heating plate is arranged in the middle of the inner side of the base; a first oil passage and a second oil passage are formed in the upper side and the lower side of the heating plate respectively; upper grooves are formed in the lower sides of theupper roll balls; lower grooves are formed in the upper sides of the lower roll balls; the upper grooves and the lower grooves are filled with sponges; the oil inlet main pipe is arranged on the leftsides of the limiting stop blocks. The permanent lubricating guide rail has better lubricating effect on the roll balls, is higher in uniformity, and can effectively reduce waste of a lubricant, automatic lubrication is realized, and production efficiency is improved.

The invention provides a compressor, which has the function of improving the cooling medium leakage and realize the performance of the compressor to be increased. The compressor has a driving factor contained in a sealed container of the compressor and a compression factor driven by a rotating shaft of the driving factor. The compression factor has a cylinder, a suction port, an exhaust port, a compression component and blades; wherein, the cylinder forms a compression space in the interior, the suction port and the exhaust port are communicated with the compression space of the cylinder, the compression component and an surface which is axially crossed with the rotating shaft are slant between an upper dead center and a lower dead center in a continuous way, at the same time, the compression component is arranged in the cylinder and is driven by the rotating shaft to rotate, liquid (cooling medium) sucked in from the suction port is compressed and discharged from the exhaust port, and the blades which divide the compression space in the cylinder into a low pressure chamber and a high pressure chamber are arranged between the suction port and the exhaust port, and are contacted with the top of one surface of the compression component. The compressor arranges one surface of the compression component at the opposite side of the driving factor.

The invention is about a double capacity compressor. In the invention, a friction surface is formed between the periphery of the crankshaft eccentric part and the inside of the eccentric shaft sleeve. A through hole mounted with eccentric part is positioned on the eccentric shaft sleeve a little bit deflect from the center. on the top end of the eccentric shaft sleeve, a latch is arranged preventing the eccentric shaft sleeve rotating randomly. The latch must be mounted with one end convex to outside of the eccentric shaft sleeve. The eccentric shaft sleeve is placed on the center, on the eccentric part, the big port of the connecting lever is linked, and the big port must be kept rotatable. On the big port, a hook capable of hanging the latch is arranged. On bottom end of the eccentric shaft sleeve, a latch pendant is arranged. The invention can make the oil supply more smoothly and reduce the relative length of the connecting lever.

The invention relates to a lubricating structure for a slewing bearing of construction machinery. The lubricating structure comprises a seat ring, an upper shaft ring, a lower shaft ring and cylindrical rolling bodies, wherein two upper rolling paths, two lower rolling paths and a side rolling path are arranged on the seat ring and are respectively and internally provided with cylindrical rolling bodies. The innovative point is that the lubricating structure further comprises a lower main runner, a lower branch runner, an upper main runner and an upper branch runner, wherein the upper and the lower main runners are respectively used for supplying oil to the upper and the lower rolling path through the upper and the lower branch runner; guiding angles are respectively arranged at the junctions of the upper and the lower branch runner and the upper and the lower main runner. The lubricating structure has the advantages that the upper main runner and the upper branch runner work together to supply oil for the upper rolling path, and the lower main runner and the lower branch runner work together to supply oil for the lower rolling paths and the side rolling path, and meanwhile, the branch runners at the rear side adopt a large-guiding angle structure, so that oil supply amounts of the branch runners on the front sides and the rear sides of the main runners are nearly the same, and accordingly, the oil supply of the lubricating structure is relatively uniform so as to ensure normal operation of the bearing.

The invention provides a wet double clutch, which includes a clutch outer hub, the same left and right clutch units arranged in the clutch outer hub, the left clutch unit includes a left clutch output shaft and a left clutch coaxially fixed on the left clutch output shaft Output hub, the right clutch unit includes the right clutch output shaft and the right clutch output hub coaxially fixed on the right clutch output shaft, the right clutch output shaft is in the shape of a sleeve, and one end of the left clutch output shaft is rotatably installed on the right output In the shaft and sealed, the clutch outer hub is rotatably installed on the output shaft of the left clutch, the left clutch unit and the right clutch unit are respectively controlled through the left clutch control oil passage and the right clutch control oil passage, and both pass through the lubricating oil passage Enter lube. The present invention can respectively control different executive components through the output shaft of the right clutch and the output shaft of the left clutch, realize fast switching, and enhance the stability and high efficiency of the transmission system.