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31results about How to "Reliable cycle" patented technology

Small four-stroke gasoline engine with oil mist lubrication

The present invention relates to a small four-stroke gasoline engine with oil mist lubrication. The lubrication oil way of the engine includes a crankshaft chamber B, a camshaft chamber C, an upper rocker arm chamber D and a condensation chamber E. The camshaft chamber C communicates with the upper rocker arm chamber D via a tappet cavity 13. The upper rocker arm chamber D communicates with the condensation chamber E. An oil mist chamber A is surrounded by an upper case body 3 and a lower case body 4 at the side of the crankshaft chamber B, the bottom of the oil mist chamber A communicates with the crankshaft chamber B. An oilsplash impeller 2 is fixed on a crankshaft, which extends into the oil mist chamber A. An oil way 12 is provided on the upper case body 3 between the oil mist chamber A and the camshaft chamber C. An oil return way 15 is provided on a cylinder head assembly 5. An oil return way 14 is provided on the upper case body 3. An upper interface of the oil return way 15 communicates with the upper rocker arm chamber D, a lower interface of the oil return way 15 communicates with the oil return way 14, and a lower interface of the oil return way 14 communicates with the crankshaft chamber B. The conventional lubricating mode is changed by the structure of the invention, which makes use of the pressure change during the reciprocating movement of a piston assembly 8 to attain the circulation of oil. The structure is simple, reliable in operation and has small consumption in power.
Owner:HU JI RONG NO

Vertical coal dust corner tube boiler

InactiveCN102644911ACompact structureStructure, compact arrangement of four cornersSteam boilersAir preheaterCoal dust
The invention discloses a vertical coal dust corner tube boiler, which comprises a burner, a boiler body, an air preheating device, a waste heat water tank, a convection bank, an upper collecting box, a top collecting box, a boiler barrel and a lower collecting box. The lower collecting box is arranged at the bottom of the boiler body, and the upper collecting box and the top collecting box are arranged on top of the boiler body and communicated through a steam communicating pipe. The vertical coal dust corner tube boiler is characterized in that the burner is arranged at the bottom of the boiler body which adopts a vertical film type water cooling wall structure, four lowering pipes are arranged at four corners, and two ends of the lowering pipe and the film type water cooling wall are communicated with the upper collecting box and the lower collecting box respectively. The convection tube bundle is arranged outside the film type water cooling wall, the top of the convection tube bundle is communicated with a boiler chamber smoke outlet, and the bottom of the convection tube bundle is communicated with the waste heat water tank. The vertical coal dust corner tube boiler has the advantages of being compact in integral structure, simple in appearance display, small in covered area, low in steel consumption, big in boiler water circulation pressure difference and safe and reliable in water circulation and the like.
Owner:HANGZHOU JUNENG BOILER

Three-return-stroke powder steam boiler

The invention discloses a three-return-stroke powder steam boiler. The three-return-stroke powder steam boiler comprises a boiler barrel, a hearth, a burnout chamber, a convection tube bundle, tail heat exchange equipment, a combustor, a slag falling device, a lower header and an upper header, wherein the lower header is arranged at the bottom of a boiler body; the upper header is arranged at the top of the boiler body; the combustor is arranged at the front part, the top, the bottom or the side part of the hearth of the boiler; the boiler body has a full-film type water-cooled wall structure, and four main downcomers are arranged at four corners; the convection tube bundle is arranged in a convection tube bundle flue, the convection tube bundle flue is longitudinally arranged, and the height of the convection tube bundle flue is equal to that of the hearth; the upper and lower ends of the convection tube bundle, the main downcomers and a film type water-cooled wall are communicated with the upper header and the lower header respectively; the burnout chamber and the hearth are longitudinally arranged abreast in a back-to-back way, and the height of the burnout chamber is equal to that of the hearth; the hearth, the burnout chamber, the convection tube bundle flue and the tail heat exchange equipment are sequentially conducted in series; two-stage combustion-supporting and denitration secondary air is distributed in the hearth. The three-return-stroke powder steam boiler has the characteristics of long flue gas flow, complete fuel combustion and high heat exchange efficiency.
Owner:HANGZHOU JUNENG BOILER

Three-return-stroke powder heat conduction oil boiler

The invention discloses a three-return-stroke powder heat conduction oil boiler. The three-return-stroke powder heat conduction oil boiler comprises a circulating oil pump, a hearth, a burnout chamber, a convection tube bundle, tail heat exchange equipment, a combustor, a slag falling device, a lower header and an upper header, wherein the lower header is arranged at the bottom of a boiler body; the upper header is arranged at the top of the boiler body; the combustor is arranged at the front part, the top, the bottom or the side part of the hearth of the boiler; the boiler body has a full-film type water-cooled wall structure, and four main downcomers are arranged at four corners; the convection tube bundle is arranged in a convection tube bundle flue, the convection tube bundle flue is longitudinally arranged, and the height of the convection tube bundle flue is equal to that of the hearth; the upper and lower ends of the convection tube bundle, the main downcomers and a film type water-cooled wall are communicated with the upper header and the lower header respectively; the burnout chamber and the hearth are longitudinally arranged abreast in a back-to-back way, and the height of the burnout chamber is equal to that of the hearth; the hearth, the burnout chamber, the convection tube bundle flue and the tail heat exchange equipment are sequentially conducted in series; two-stage combustion-supporting and denitration secondary air is distributed in the hearth. The three-return-stroke powder heat conduction oil boiler has the characteristics of long flue gas flow, complete fuel combustion and high heat exchange efficiency.
Owner:HANGZHOU JUNENG BOILER

Lubrication system of handheld air-cooled four-stroke gasoline engine and gasoline engine

PendingCN109798163ASimple structureLubricating oil forming cycle separation is reliableMachines/enginesPressure lubricationLubricationReturn channel
The invention relates to a lubrication system of a handheld air-cooled four-stroke gasoline engine and a gasoline engine. The lubrication system comprises a cylinder block, a crankshaft connecting rodgroup, a piston, a crankcase formed by a front box body and a rear box body and a cylinder cover; the lubrication system furhter comprises a crankshaft chamber and an oil storage chamber which communicate with each other, an oil feeding channel and an oil returning channel which form a circulation and are provided with a one-way valve; through the change of pressure in a rotary crank chamber of the crankshaft, lubricating oil mist lubricates all parts in a valve chamber, a tappet chamber, a cam chamber and the crank chamber. a first-stage oil-gas separation channel and a second-stage exhaustchannel are arranged to discharge the burnt waste gas which enters the crank chamber from the gap between the piston and the cylinder body out of the crankcase; The scheme provided by the invention has the beneficial effects of smooth circulation of lubricating oil, reliable separation of the oil-gas separation device, effective control of waste gas timing, unidirectional discharge, stable operation of products at any angle, etc.
Owner:SHANDONG HUASHENG PESTICIDE APPL MACHINERY CO LTD

Vertical type modular coal water slurry corner tube boiler

The invention discloses a vertical type modular coal water slurry corner tube boiler. The vertical type modular coal water slurry corner tube boiler comprises a boiler body, a hearth, a combustor, a combustion stabilizing chamber, a dry bottom hopper, an air preheater, a coal economizer, a convection tube beam, an upper collecting tank, a top collecting tank, a boiler barrel and a lower collecting tank. The boiler body comprises 4 down pipes arranged at four corners and a membrane water wall. Two ends of each down pipe and two ends of the membrane water wall are respectively communicated with the upper collecting tank and the lower collecting tank. The convection tube beam is arranged on outer side of the membrane water wall, the top is communicated with a smoke outlet of the hearth, and the bottom is communicated with the bottom of the air preheater. The dry bottom hopper is arranged at the bottom of the boiler body. The boiler body is divided into the boiler barrel, the dry bottom hopper, the convection tube beam and the membrane water wall to be manufactured and installed. The vertical type modular coal water slurry corner tube boiler has the advantages of being compact in integral structure, simple in appearance arrangement, small in occupied area, low in steel consumption, large in boiler water circulating differential pressure, safe and reliable in water circulation, quick and simple in manufacture and installation, reliable in boiler operation, simple and convenient to maintain and the like.
Owner:HANGZHOU JUNENG BOILER

Continuous drilling and cyclic pouring integrated piling tool

The invention belongs to the field of constructional engineering and mechanical engineering, and particularly relates to a continuous drilling and cyclic pouring integrated piling tool. According to the technical scheme, the continuous drilling and cyclic pouring integrated piling tool comprises a power connecting piece, a circulating device, a drill bit component, a bottom cleaning mechanism anda pouring mechanism, wherein the circulating device comprises a circulating drilling barrel and a spiral piece, both ends of the circulating drilling barrel are respectively connected with the power connecting piece and the drill bit component or the circulating drilling barrel, and the spiral piece is connected with the circulating drilling barrel; the drill bit component comprises a drill bit base, a drill bit seat and a drill bit, the drill bit seat is connected with the drill bit base, and the drill bit is connected with the drill bit seat; the bottom cleaning mechanism comprises a connecting rod and bottom cleaning blades; and the pouring mechanism comprises a pouring channel and a control piece. The invention provides a novel continuous drilling and cyclic pouring integrated piling tool, and the piling drilling and cyclic chip removal and continuous pouring efficiency is improved.
Owner:SOUTHWEST PETROLEUM UNIV +1

Vertical type coal dust corner tube boiler

InactiveCN103062748AFull reaction combustionImprove sealingSteam boilersSmall footprintTubular membrane
The invention discloses a vertical type coal dust corner tube boiler which comprises a burner, a boiler furnace, a high temperature air preheater, a coal economizer, a low temperature air preheater convection tube bundle, an upper collecting box, a top collecting box, a boiler barrel and a lower collecting box. The lower collecting box is arranged at the bottom of a boiler body, and the upper collecting box and the top collecting box are arranged at the top of the boiler body and are communicated through a vapor communicating pipe. The vertical type coal dust corner tube boiler is characterized in that the burner is arranged at the top of the boiler body, the boiler body is of a vertical type tubular membrane type water-cooled wall structure, four down pipes are arranged at four corners, and the down pipes and two ends of the membrane type water-cooled wall are communicated with the upper collecting box and the lower collecting box respectively. The convection tube bundle is arranged on the outer side of the membrane type water-cooled wall, the bottom of the convection tube bundle is communicated with a hearth smoke outlet, and the top of the convection tube bundle is communicated with the high temperature air preheater. The vertical type coal dust corner tube boiler has the advantages that an integral structure is compact, the appearance is arranged simply, an occupied area is small, steel consumption is small, water circulating differential pressure of the boiler is large, and water circulation is safe and reliable, and the like.
Owner:HANGZHOU JUNENG BOILER

Module-type waste heat vapor generator

The invention relates to the technical field of waste heat recovery, in particular to a module-type waste heat vapor generator. The module-type waste heat vapor generator comprises a heat transfer basic module and a steam separator (7), wherein a steam outlet of the upper end of the heat transfer basic module is connected with an inlet of the steam separator (7) through a steam guiding pipe (10). A first outlet of the upper end of the steam separator (7) is connected with a steam discharge pipe (6). A second outlet of the lower end of the steam separator (7) is connected with a water drain pipe (9). The water drain pipe (9) is connected with a water collecting pipe (12) at the lower end of the heat transfer basic module to form a circulation loop. The module-type waste heat vapor generator is novel and simple in structure, the heat transfer basic module can be designed according to the size of quantity of smoke, steam and the number of the heat transfer basic module is decided according to the size of thermal power, and the problems that design, manufacture and use of the waste heat recovery are cockamamie are solved. Work efficiency of design, manufacture and management is improved, safety of thermal power and water circulation is guaranteed, and reliability of steam-water separation is guaranteed, and the module-type waste heat vapor generator is convenient to manufacture, assemble and operate, reliable in circulation, and easy to control.
Owner:上海蕲黄节能设备有限公司

A Cooling System for Electric Spindle Core

The invention discloses an electric spindle core cooling structure and system. An electric spindle core is provided with a plurality of U-shaped cooling units consisting of straight-hole channels; the inflow channel inlet and reflow channel outlet of each cooling channel unit are formed in a staggered way in the back end face of the electric spindle core; a connecting channel is formed inside the electric spindle core close to a front bearing to connect the inflow channel with the reflow channel; specific to the aim of realizing leading-in and leading-out of a cooling channel unit cooling medium, a shaft head flange type multi-channel high-speed rotary joint is tightly connected with the back end face of the conventional electric spindle core through a back bearing sleeve, an inflow channel header and a reflow channel header are provided, and an electric spindle core forced circular cooling system is constructed with an oil-water cooling system. By adopting the electric spindle core cooling structure and system, direct, rapid and efficient forced circular cooling of the electric spindle core can be realized, the problem of heat dissipation caused by long-term high-power processing of an electric spindle is solved, thermal deformation of the electric spindle core is reduced, and the heat stability of the electric spindle is enhanced.
Owner:XI AN JIAOTONG UNIV

Intraperitoneal hyperthermic chemotherapy circulation circuit device

The invention provides a chemohyperthermia circulation pipeline device for intraperitoneal chemohyperthermia. The circulation pipeline device is adjusted to adapt to different therapy periods by on and off of clips to meet requirements of the intraperitoneal chemohyperthermia. System simplicity and reliability can be achieved while liquid medicine is undamaged by using heating plates for heating. Using a temperature tee joint is convenient for arrangement of temperature detection points and can guarantee precision in temperature detection and control so as to guarantee therapeutic effects of the intraperitoneal chemohyperthermia. Using a liquid collection bag is convenient for infusion of liquid medicine and convenient to operate, and air is prevented from being mixed in the liquid medicine during circulation, so that therapeutic effects can be guaranteed. The liquid medicine is completely recovered to the liquid collection bag after therapy, and leakage and environment pollution are prevented. Pump pipes are arranged on two sides of a heating bag to avoid inflation of the heating bag. Human tissue microemboli can be effectively filtered by a filter to prevent pipeline blocking during circulation, so that reliability in circulation is realized.
Owner:GUANGZHOU BRIGHT MEDICAL TECH

3D printing online high-temperature ultrasonic milling system based on main shaft without cooling hole

The invention discloses a 3D printing online high-temperature ultrasonic milling system based on a main shaft without a cooling hole. The 3D printing online high-temperature ultrasonic milling systemcomprises a wireless power transmission mechanism, a transduction luffing mechanism and a cutter handle. The transduction luffing mechanism is arranged in an inner cavity of the cutter handle, a mainshaft shell sleeves the cutter handle, and a sealing sleeve is arranged between one end of the main shaft shell and the cutter handle. The sealing sleeve is in clearance fit with the cutter handle, sealing rings are arranged between the sealing sleeve and the cutter handle at intervals, and cutter handle air holes are formed in the portion, between the two sealing rings, of the cutter handle at intervals in the circumferential direction. Air inlet holes are formed in the portions, corresponding to the cutter handle air holes, of the sealing sleeves, the air inlet holes are connected with an air cooling device, and air outlet holes are formed in the portions, outside the sealing sleeves, of the lower end of the cutter handle at intervals in the circumferential direction. According to the 3Dprinting online high-temperature ultrasonic milling system based on the main shaft without the cooling hole, cold air is fed into the cutter handle to reduce the internal temperature, heat of an amplitude-change pole is prevented from being transmitted to a transducer by coating a heat insulation coating, and the working stability in a high-temperature environment is ensured.
Owner:HENAN POLYTECHNIC UNIV

Double-negative-pressure ink circulation printer

The invention discloses a double-negative-pressure ink circulation printer which comprises a first-stage ink barrel, a second-stage ink box, a nozzle and a circulation ink box. A first ink conveying mechanism for conveying ink to the second-stage ink box is connected between the first-stage ink barrel and the second-stage ink box; a second ink conveying mechanism for conveying ink to the primary ink barrel is connected between the circulating ink box and the primary ink barrel; the secondary ink box is arranged above the spray head and connected with a first negative pressure mechanism, and the circulating ink box is connected with a second negative pressure mechanism used for sucking ink at the spray head. The double-negative-pressure ink circulation printer can reduce the phenomenon of needle breakage of the nozzle and ensure normal operation of the printer.
Owner:SHENZHEN RUNTIANZHI DIGITAL EQUIP
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