34results about How to "Sufficient oil" patented technology

A lubricating structure comprises an output gear 22 rotating as a unit with an output shaft 3 of a transmission mechanism, a gear 25 rotating as a unit with a counter shaft 27 and engaged with the gear 22, a gear 60 rotating as a unit with the shaft 27 and disposed spaced from the gear 25 in an axial direction, a bearing 26 and bearing 28b for rotatably supporting the shaft 27 respectively at a gear 25 side and a gear 60 side, a driving gear 65 disposed above the gear 60 and engaged with the gear 60 through an intermediate gear, a case 1a for individually accommodating through a separating wall the bearing 28b, a bearing at an intermediate gear side, and a bearing 67 at a gear 65 side, and feed paths 62,64 formed within the shaft 27 for introducing oil moved into an accommodating portion 70 of the gear 28b in the case 1a to a gear 25 side thereby to supply the oil to a predetermined portion. Furthermore, a void groove 76 is formed in the separating wall 69 between the accommodating portion 70 and an accommodating portion at an intermediate gear side.

The invention discloses a method and device for controlling the frequency of a compressor. The method includes the steps that the detected pipe inflow temperature and the detected pipe outflow temperature of a vapor-liquid separator are compared with the evaporation temperature of a system where the compressor is located; the current liquid accumulation state of the vapor-liquid separator is determined according to the comparison result, and the frequency of the compressor is controlled according to the current liquid accumulation state. According to the method, the current liquid accumulation state of the vapor-liquid separator is determined through the pipe inflow temperature and the pipe outflow temperature of the vapor-liquid separator and the evaporation temperature of the system and then the frequency of an electronic expansion valve and the frequency of the compressor are controlled according to the current liquid accumulation state so that a mixture of oil and liquid in the vapor-liquid separator can be timely transferred. Thus, the problem that when liquid in the vapor-liquid separator is too much, oil cannot return timely is solved, sufficient oil amount of the compressor is guaranteed, refrigerants return to the high pressure side timely, and heating effect is guaranteed.

The invention relates to an oiling device, and especially a plate oiling device. The plate oiling device comprises a plate, an upper oiling roller and a lower oiling roller, an upper oil storage tank is arranged at the upper side of the upper oiling roller, a part of the upper oiling roller stretches into the upper oil storage tank, a lower oil storage tank is arranged at one side of the lower oiling roller, a part of the lower oiling roller deeps into the lower oil storage tank, the upper oil storage tank and the lower oil storage tank are respectively provided with oil inlet tubes connected with an oil barrel, every oil inlet tube is provided with a solenoid valve, every solenoid valve is connected with a controller, the upper oil storage tank and the lower oil storage tank are respectively provided with liquid level sensors, and the liquid level sensors are connected with the controller. The plate oiling device has the advantages of reasonable structure, good functionality, high automation degree, facilitation of the working intensity of workers, and improvement of the product quality.

The invention relates to a lubricating structure of a rotating spline in a gearbox. The lubricating structure comprises a spline shaft, a spline sleeve and a pressing plate, the spline shaft and the spline sleeve are matched through a spline pair, an oil discharging hole is arranged on the pressing plate which is fixed at a free end of the spline shaft and abutted against one end of the spline sleeve, a retaining shoulder is arranged at a spline end, opposite to the free end, of the spline shaft and abutted against the other end of the spline sleeve, a plurality of circumferentially-distributed radial oil collection grooves are arranged between the retaining shoulder and the spline sleeve, an annular inclined-bottom oil cavity is further arranged at the spline end, opposite to the free end, of the spline shaft, one end of the annular inclined-bottom oil cavity is communicated with the circumferentially-distributed radial oil collection grooves while the other end of the same is communicated with a tooth groove of the spline pair, an annular oil collection cavity is arranged at the free end of the spline shaft and jointly formed by surrounding of the spline shaft, the pressing plate and the spline sleeve, and one end of the annular oil collection cavity is communicated with the tooth groove of the spline gear while the other end of the same is communicated with the oil discharging hole of the pressing plate. The lubricating structure is simple in structure, sufficient in spline lubricating and capable of improving reliability and economy of the spline.

In a chain transmission incorporating a silent chain engaged with a sprocket, the plates of the chain are connected by sets of rocker pins extending through pin holes in the plates. The pin holes are elongated toward the center of each plate, and the elongation of each pin hole is greater than the maximum amount by which the distance between points on the respective rocker pins of each set increases when said chain is inflected to the maximum extent permitted by the sprocket in a portion of the chain in seating engagement with said sprocket.

The invention discloses an engine oil supplementation system and an oil supplementation method thereof, and belongs to the technical field of engines. The system comprises an oil pan, an auxiliary engine oil tank and an oil supplementation cavity formed in the upper portion of the auxiliary engine oil tank. The oil pan is connected with the oil supplementation cavity through an oil supplementation pipe. A first one-way valve is arranged on the oil supplementation pipe. The oil supplementation cavity is connected with the auxiliary engine oil tank through an oil inlet pipe provided with an oil pump. The oil pump pumps oil to the oil supplementation cavity from the auxiliary engine oil tank according to a preset running mode. When the oil level of the oil supplementation cavity is higher than the oil level of the oil pan, the first one-way valve is opened, the oil supplementation cavity supplements oil to the oil pan. The first one-way valve is arranged on the oil supplementation pipe, and therefore it can be ensured that when an engine oil transportation unit is arranged in the oil pan in advance, lubricating oil in the oil pan can not flow into the oil supplementation cavity or the auxiliary engine oil tank. High-pressure gas generated in the engine running process can not arrive at the auxiliary engine oil tank through the oil supplementation pipe and can not flow out of the oil inlet of the auxiliary engine oil tank, and the white gas discharge phenomenon can not happen to the oil inlet.

The invention discloses a helicopter fuel tank assembly and a helicopter. The helicopter fuel tank assembly comprises an external fuel tank and an internal fuel tank, and an inner cavity of the external fuel tank is communicated with an inner cavity of the internal fuel tank; the external fuel tank comprises a left fuel tank body and a right fuel tank body; the internal fuel tank is located between the left fuel tank body and the right fuel tank body. The helicopter fuel tank assembly can cooperate with the integrated arrangement of a helicopter body, the space of the helicopter body is fullyutilized, the external fuel tank is added, the fuel load of an fuel tank system is increased, and the time of endurance is prolonged.

The invention discloses a compressor, a motor thereof, and rotor balance blocks thereof. The rotor balance blocks comprise bottom plates which are annular structures, bosses which are installed on theouter ring surfaces of the annular structures, fluid passages which pass through annular walls set on the annular structures, and/or the fluid passages pass through the bosses, and the extension direction of the fluid passages and the rotor rotation direction of the motor are the same time. According to the rotor balance blocks provided by the invention, the fluid passages are set on the bottom plates and/or steps, the extension direction of the fluid passages and the rotor rotation direction of the motor are the same time, which means that the paths of the fluid passages are similar to centrifugal lines, when cooling oil flows in the motor, the flow rate of the cooling oil can be significantly accelerated through the design of the fluid passages, therefore, the return speed of the cooling oil can be greatly improved, the sufficient amount of oil in an oil pool is maintained, and the lubrication effect and operational reliability of the compressor are ensured.

The invention belongs to the technical field of metalized film processing and discloses a spraying device baffle plate for forming a metalized film screen zone. A gas storage chamber for storing screening oil vapor is arranged inside the baffle plate which is provided with nozzles which are distributed along the length direction and used for spraying the screening oil to the surface of the film, oil spray holes communicated with the gas storage chamber are formed in the middle of the nozzles, and a branch gas storage chamber with an enlarged section for buffering the pressure is formed at the inlet end of the oil spray hole of each nozzle on the top of the gas storage chamber, wherein the depth of the branch gas storage chamber is 0.1-0.15cm. By forming the branch gas storage chambers, pressure buffering regions are arranged between the inner cavity of the spray device and the nozzles, so that the oil pressures of the nozzles are tend to be consistent, and therefore, the problem that the edge of the metalized film screen zone is blurry and black is eliminated and the electric performance of the metalized film is improved.

The invention relates to candan universal joint synchronization oil injection equipment and a method thereof. The candan universal joint synchronization oil injection equipment comprises a base, an electric control device installed on the base, an air inlet control device and an oil feeding device, a guide supporting unit is arranged above the base and is provided with a positioning clamp for positioning a candan universal joint, and oil injection devices corresponding to the oil injection hole in a one-to-one manner are arranged on the periphery of the positioning clamp along the circumferential route; the multiple oil injection devices are controlled by the air inlet control device to synchronously move towards the center position of the candan universal joint in the radial directions ofthe oil injection holes corresponding to the oil injection devices in position, oil is injected from the oil injection devices to the oil injection holes through control of an oil supply device afterthe oil injection devices are moved to the specific positions, and the oil inlet control device controls the oil injection devices to reset after oil injection is finished. The candan universal jointsynchronization oil injection equipment and the method solve the problems that multiple holes need to be subject to oil injection one by one in the candan universal joint oil injection process, the oil injection efficiency is low, oil amount in all holes is difficult to balance, oil injection into blind holes are prone to being brought out after oil injection resetting is carried out, the oil amount in the blind hole is insufficient, and consequently the product using effect is influenced.

The invention relates to vacuum type continuous oiling equipment for a chain. The vacuum type continuous oiling equipment comprises a vacuum pump, a driving motor, a sealed box body, a chain reversing system and a chain guiding system, wherein the chain reversing system and the chain guiding system are arranged in the sealed box body. The chain is sequentially wound round the driving motor, the chain guiding system and the chain reversing system. The vacuum pump is connected into the sealed box body through a pipeline. According to the vacuum type continuous oiling equipment for the chain, the effect that the vacuum degree is adjustable can be achieved; bubbles can be generated in the process that air is pumped out, can be burst when colliding chain parts and has a cleaning effect on the chain; and the abrasion resistance of the chain is improved by 15%, and oil fume can be exhausted in a concentrated mode.

The invention discloses a tobacco yellowing synergism compound mixture and a use method thereof. The mixture comprises a compound A and a compound B, wherein the compound A is an onion and garlic liquid mixture which is used in the maturation stage of tobacco and can inhibit or reduce nitrogen absorption of plants, and the compound B is P2O5 or K2O or ZnSO4 or MnSO4 or other mineral elements and can solve the problem of nutrient deficiency in the later growth stage of crops and promote tobacco yellowing synergism in cooperation with the onion and garlic liquid mixture. The compound mixture can improve the nutritional resistance of plants, enhance the disease resistance, relieve leaf diseases, reduce the color difference between leaves at the same portions of tobacco plants and ensure the uniformity of tobacco maturing and yellowing; cured tobacco has high elasticity and toughness, orange tobacco is obtained, the color and luster are improved, and the oil content is high; the proportion of green tobacco is substantially reduced, the quality and yield of tobacco are improved, and the economic benefit is significant. The effective ingredients of the compound mixture are plant tissue extracts and are free of environmental pollution, safe and environmentally friendly.

The invention discloses a scroll compressor and a refrigeration cycle device with the scroll compressor. An electric motor, a compression mechanism part and lubricating oil are contained in a sealingshell of the scroll compressor, wherein the electric motor consists of a stator, a rotor and the like; the compression mechanism part is driven by the electric motor; the lubricating oil is used for lubricating the compression mechanism part; the compression mechanism part comprises a stationary disc, a movable disc, a crankshaft, a first bearing, oil-containing gases and a sliding surface; the crankshaft is fixed with the rotor; the first bearing is positioned between the movable disc and the rotor and is connected with the crankshaft in a sliding manner; the oil-containing gases are discharged from a compression chamber consisting of the stationary disc and the movable disc; the sliding surface is used for at least lubricating the crankshaft and the first bearing. According to the scrollcompressor disclosed by the invention, the lubricating oil can uniformly and rapidly lubricate sliding parts.

The invention discloses a bottom valve base allowing automatic positioning of a shock absorber bottom valve body inside the bottom valve base and relates to an automotive shock absorber part. The bottom valve base allowing automatic positioning of the shock absorber bottom valve body inside the bottom valve comprises a first conical surface, a second conical surface and double layer steps, wherein the double layer steps are arranged on the first conical surface and the second conical surface. Compared with the prior art, the bottom valve base allowing automatic positioning of the shock absorber bottom valve body inside the bottom valve base has the advantages of solving the problem that positioning of the shock absorber bottom valve body on the bottom valve base is not stable for a long time, enabling shock absorber production to be stable and good in uniformity and meanwhile solving the potential failure mode that the shock absorber has abnormal sound and is large in frictional force and serious in lateral side abrasion.