CN116857101A - Air distributor for medium-speed diesel engine - Google Patents

Air distributor for medium-speed diesel engine Download PDF

Info

Publication number
CN116857101A
CN116857101A CN202310765946.6A CN202310765946A CN116857101A CN 116857101 A CN116857101 A CN 116857101A CN 202310765946 A CN202310765946 A CN 202310765946A CN 116857101 A CN116857101 A CN 116857101A
Authority
CN
China
Prior art keywords
transmission shaft
air
plate
distribution
end cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202310765946.6A
Other languages
Chinese (zh)
Other versions
CN116857101B (en
Inventor
施云峰
龚俊杰
曹潇文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hudong Heavy Machinery Co Ltd
Original Assignee
Hudong Heavy Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hudong Heavy Machinery Co Ltd filed Critical Hudong Heavy Machinery Co Ltd
Priority to CN202310765946.6A priority Critical patent/CN116857101B/en
Publication of CN116857101A publication Critical patent/CN116857101A/en
Application granted granted Critical
Publication of CN116857101B publication Critical patent/CN116857101B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N9/00Starting of engines by supplying auxiliary pressure fluid to their working chambers
    • F02N9/04Starting of engines by supplying auxiliary pressure fluid to their working chambers the pressure fluid being generated otherwise, e.g. by compressing air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

The application relates to the field of air distributors of diesel engines and discloses an air distributor for medium-speed diesel engines, which comprises a shell and an end cover, wherein adjacent distributing discs and reversing discs are arranged in the shell and the end cover, the distributing discs are movably sleeved with a transmission shaft, the distributing discs rotate together with the transmission shaft, a piston cylinder is fixedly connected to one side of the end cover, which is far away from the shell, a piston plate is movably sleeved in the piston cylinder, the piston plate is connected with the distributing discs, when in use, air is started to enter the end cover through an air inlet groove and also enters the interior of the piston cylinder, so that the directions of the air pressure applied to the piston plate and the distributing discs are opposite, and the area of the air pressure applied to the piston plate is smaller than the area of the air pressure applied to the distributing discs. The area of the piston plate acted by the air pressure is smaller than the area of the distribution plate acted by the air pressure, so that the pressure of the distribution plate to the reversing plate is reduced, the friction force between the distribution plate and the reversing plate during rotation of the distribution plate is reduced, and the friction loss of the joint surface of the distribution plate and the reversing plate is reduced.

Description

Air distributor for medium-speed diesel engine
Technical Field
The application relates to the field of diesel engine air distributors, in particular to an air distributor for a medium-speed diesel engine.
Background
The air distributor is an extremely critical component in the starting process of the diesel engine, and mainly comprises a shell, an end cover, a driving gear, a reversing disc, a distributing disc, a transmission shaft, a reversing cylinder and the like, in the first stage of starting, starting air enters from an air inlet groove on one side of the end cover, the starting air pushes the distributing disc to move to be attached to the reversing disc, air leakage between the attaching surfaces of the distributing disc and the reversing disc is reduced, after the starting stage is finished, the air inlet groove does not enter air any more, lubricating oil entering from an oil inlet groove of the shell pushes the transmission shaft to move, so that the distributing disc is separated from the reversing disc, and abrasion of the attaching surfaces of the distributing disc and the reversing disc caused by long-term running of the diesel engine is reduced.
However, because the starting air is about 30bar, when the high-pressure starting air pushes the distribution plate to be attached to the reversing plate, the distribution plate rotates along with the transmission shaft relative to the reversing plate, so that the friction force between the distribution plate and the reversing plate is larger, the abrasion consumption speed of the attaching surface of the distribution plate and the reversing plate is high, the attaching surface of the distribution plate and the reversing plate is easy to leak air, the normal use problem of the air distributor is influenced, and the service life of the air distributor is lower
Disclosure of Invention
The application provides an air distributor for a medium-speed diesel engine, which has the advantage of smaller friction force when a distribution disc is acted on a reversing disc by the pressure of starting air in a starting stage, and is used for solving the problem of larger friction force when the distribution disc is acted on the reversing disc by the pressure of starting air in the starting stage of the traditional air distributor.
In order to achieve the above purpose, the application adopts the following technical scheme: the utility model provides an air distributor for medium speed diesel engine, includes the casing, and one side of casing is equipped with the end cover, and one side movable sleeve that the end cover was kept away from to the casing is equipped with the spacer sleeve, and the inside movable sleeve of spacer sleeve is equipped with the transmission shaft, and the one end fixedly connected with drive gear of transmission shaft, the other end of transmission shaft are connected with the distribution dish, are equipped with the switching-over dish that is located distribution dish one side in the casing, have seted up the oil inlet groove on the casing, the air inlet groove has been seted up to the side of end cover, the distribution dish cup joints with the transmission shaft activity, and the distribution dish rotates along with the transmission shaft, one side fixedly connected with piston cylinder that the end cover kept away from the casing, movable sleeve is equipped with the piston plate in the piston cylinder, the piston plate is connected with the distribution dish, when starting air in entering the end cover through the air inlet groove during the use still gets into the inside of piston cylinder for the piston plate receives the opposite direction of pneumatic pressure effect with the distribution dish, just the area that the piston plate receives pneumatic pressure effect is less than distribution dish effect.
Further, the end cover is fixedly sleeved with a three-way pipe communicated with the air inlet groove, the top of the three-way pipe is communicated with the inner cavity of the piston cylinder, and one end of the three-way pipe is communicated with an air inlet pipe.
Further, the outer side of the transmission shaft is connected with the inner side of the positioning sleeve through bearings, the number of the bearings is two, and the two bearings are respectively arranged at two ends of the positioning sleeve.
Further, sealing elements are arranged at two ends of the positioning sleeve, and the two sealing elements are respectively arranged at the outer sides of the two bearings.
Further, the fixed cover of one side that the distribution dish kept away from the switching-over dish is equipped with the connecting tube, the inner wall of connecting tube and the outside activity of transmission shaft cup joint and seal the laminating, the one end that the distribution dish was kept away from to the connecting tube is connected with the piston board, the oil groove has been seted up at the middle part of transmission shaft, oil inlet groove, oil groove and connecting tube's inner chamber communicates with each other.
Further, a sealing sleeve is arranged between the outer cambered surface of the connecting pipe and the side wall of the end cover.
Further, the interlocking tube is fixedly connected with the piston plate through a bolt and a nut, and a pipe sleeve positioned between the interlocking tube and the piston plate is sleeved on the bolt.
Further, one end of the transmission shaft is provided with a bulge movably clamped with the inner wall of the distribution plate, and the inner wall of the connecting tube is movably sleeved with the outer side of the transmission shaft and is in sealing fit with the outer side of the transmission shaft.
The application has the beneficial effects that:
1. according to the air distributor for the medium-speed diesel engine, the piston cylinder is arranged on one side of the shell, the piston plate connected with the distribution plate is movably sleeved in the piston cylinder, when the air distributor is used, air enters the end cover and the piston cylinder at the same time and acts on one side face of the piston plate and one side face of the distribution plate, the direction of the air pressure acting on the piston plate and the direction of the air pressure acting on the distribution plate are opposite, and compared with the mode that the existing air distributor independently injects air into the end cover to press the distribution plate, the pressure of the distribution plate on the distribution plate is reduced under the condition that the pressure of the introduced air is not changed, so that friction force between the distribution plate and the distribution plate during rotation is reduced, friction loss between the distribution plate and the joint face of the distribution plate is further reduced, service life of the air distributor is prolonged, and energy consumption of the driving gear, the transmission shaft and the distribution plate during rotation is reduced.
2. The connecting mode of the transmission shaft and the locating sleeve is changed into a bearing sleeve, the transmission shaft drives the distribution disc to rotate, meanwhile, the distribution disc can move along the transmission shaft, the oil guide groove communicated with the oil inlet groove and the connecting tube is formed in the transmission shaft, and under the premise that the distribution disc does not change to work under the action of air pressure and moves towards the reversing disc, compared with the existing air distributor, the transmission shaft is only used for the transmission effect, so that the rotation of the transmission shaft, the driving gear and the distribution disc is more stable, and the air distributor is facilitated to maintain a stable working state.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
The application may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic view of an air distributor;
FIG. 2 is a schematic view of the middle cut-away structure of FIG. 1;
fig. 3 is a schematic view of a connection structure between the transmission shaft and the distribution plate in fig. 2.
In the figure: 1. a housing; 2. an end cap; 3. a positioning sleeve; 4. a transmission shaft; 5. a drive gear; 6. a seal; 7. a distribution tray; 8. a reversing disc; 9. a piston cylinder; 10. a cover plate; 11. a connecting tube; 12. a piston plate; 13. an air inlet groove; 14. a three-way pipe; 15. an air inlet pipe; 16. an oil inlet groove; 17. an oil guiding groove; 18. reversing cylinder.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples
Referring to fig. 1, an air distributor for a medium speed diesel engine comprises a shell 1, an end cover 2 is fixedly arranged on the side surface of the shell 1, a positioning sleeve 3 far away from one side of the end cover 2 is fixedly sleeved in the middle of an inner cavity of the shell 1, bearings are fixedly arranged at two ends inside the positioning sleeve 3, a transmission shaft 4 is fixedly sleeved in inner rings of the two bearings, sealing elements 6 are arranged at two ends of the positioning sleeve 3, the two sealing elements 6 are respectively arranged at the outer sides of the two bearings, a sealing effect is achieved through the sealing elements 6, a driving gear 5 is fixedly sleeved in the transmission shaft 4, the driving gear 5 is positioned on one side of the shell 1 far away from the end cover 2, one end of the transmission shaft 4 far away from the driving gear 5 extends to the inner cavity of the end cover 2 and is sleeved with a distribution disc 7, the inner chamber of casing 1 is equipped with the switching-over dish 8 that is located distribution dish 7 one side, and the intrados activity of switching-over dish 8 cup joints and seals the laminating with the intrados activity of casing 1, and the lateral wall of switching-over dish 8 cup joints and seals the laminating with the intrados activity of distribution dish 7, please refer to fig. 1-2, be equipped with on casing 1 and promote the rotatory switching-over cylinder 18 of switching-over dish 8, move in the bottom of switching-over dish 8 through the piston shaft of switching-over cylinder 18, thereby promote the switching-over dish 8 and rotate at the inner chamber of casing 1, control switching-over dish 8 and realize normalizing order and reversing the sequence of normalizing at different angular position.
Referring to fig. 2-3, one end of the transmission shaft 4 is provided with a protrusion movably clamped with the inner wall of the distribution disc 7, so that the distribution disc 7 can move along the transmission shaft 4 towards one side of the reversing disc 8, and when the transmission shaft 4 rotates, the distribution disc 7 can be driven to rotate together, and the intrados of the distribution disc 7 is provided with a sealing ring attached to the extrados of the transmission shaft 4, so that when the distribution disc 7 moves along the transmission shaft 4, the tightness of the joint of the distribution disc 7 and the transmission shaft 4 is always ensured, and the problem of air leakage is avoided.
With continued reference to fig. 2, a piston cylinder 9 is fixedly mounted on one side of the end cover 2 away from the housing 1, a cover plate 10 is fixedly sleeved on one side of the piston cylinder 9 away from the end cover 2, a connecting tube 11 is fixedly sleeved on one side of the distribution plate 7 away from the reversing plate 8, the inner wall of the connecting tube 11 is movably sleeved and sealed and attached to the outer side of the transmission shaft 4, when the distribution plate 7 can drive the connecting tube 11 to move along the transmission shaft 4 towards the piston cylinder 9, the connecting tube 11 is not blocked by the transmission shaft 4, the problems of air leakage and oil leakage of the attaching surface of the connecting tube 11 and the transmission shaft 4 are avoided, a sealing sleeve is arranged between the outer arc surface of the connecting tube 11 and the side wall of the end cover 2, the connecting part of the connecting tube 11 and the end cover 2 is sealed by the sealing sleeve to prevent air leakage at the connecting part of the connecting tube 11 and the end cover 2, one end of the connecting tube 11 away from the distribution plate 7 is fixedly connected with a piston plate 12, the area of the piston plate 12 acted by the air pressure is smaller than the area of the distribution plate 7 acted by the air pressure, the interlocking tube 11 and the piston plate 12 are fixedly connected through bolts and nuts, the bolts are sleeved with sleeves positioned between the interlocking tube 11 and the piston plate 12, the interlocking tube 11 and the piston plate 12 are connected through the bolts and the nuts, the sleeves sleeved on the bolts are arranged between the interlocking tube 11 and the piston plate 12, so that the area of the piston plate 12 acted by the air pressure towards one side of the interlocking tube 11 is large enough, the difference of the stressed area of the piston plate 12 and the distribution plate 7 is reduced, the outer cambered surface of the piston plate 12 is movably sleeved and sealed with the inner cambered surface of the piston cylinder 9, the side surface of the end cover 2 is provided with an air inlet groove 13 positioned below the piston cylinder 9, the end cover 2 is fixedly sleeved with a three-way pipe 14 communicated with the air inlet groove 13, the top of the three-way pipe 14 is communicated with the inner cavity of the piston cylinder 9, one end of the three-way pipe 14 is communicated with an air inlet pipe 15, the air inlet pipe 15 is used for ventilating the end cover 2, the three-way pipe 14 is used for ventilating the inner cavity of the piston cylinder 9, the middle part of the inner cavity of the transmission shaft 4 is provided with the oil guide groove 17, the oil guide groove 17 is communicated with the inner cavity of the connecting pipe 11, the shell 1 is provided with the oil inlet groove 16, the top of the positioning sleeve 3 is provided with a through hole, and the oil inlet groove 16 and the oil guide groove 17 are always communicated through the through hole.
In use, referring to fig. 2, after the start air is introduced from the air inlet pipe 15, the start air sequentially passes through the tee 14 and the air inlet groove 13 and is respectively introduced into the end cover 2 and the piston cylinder 9, the air introduced into the end cover 2 applies leftward air pressure to the distribution disc 7, the air introduced into the piston cylinder 9 applies rightward air pressure to the piston plate 12, the distribution disc 7 is pressed against the reversing disc 8 and is attached to the reversing disc 8 by utilizing the pressure difference between the air pressure applied to the distribution disc 7 and the air pressure applied to the piston plate 12, so that the air leakage of the attaching surface between the distribution disc 7 and the reversing disc 8 is reduced, compared with the mode that the air distributor in the prior art independently injects air into the end cover 2 to press the distribution disc 7, under the condition that the pressure of the introduced air is not changed, the pressure of the distribution disc 7 to the reversing disc 8 is reduced, and the friction force between the distribution disc 7 and the reversing disc 8 during rotation is reduced, the friction loss of the joint surface of the distribution plate 7 and the reversing plate 8 is further reduced, the service life of the air distributor is prolonged, the energy consumption of the driving gear 5, the transmission shaft 4 and the distribution plate 7 in rotation is also reduced, after the starting stage is finished, air is not fed into the air inlet groove 13, lubricating oil entering the oil inlet groove 16 flows through the oil guide groove 17 and the linkage pipe 11 in sequence, so that the linkage pipe 11, the piston plate 12 and the distribution plate 7 are pushed to move rightwards integrally, the distribution plate 7 is separated from the reversing plate 8, the friction loss of a diesel engine on the joint surface of the distribution plate 7 and the reversing plate 8 in long-term operation is reduced, the distribution plate 7 is movably sleeved with the transmission shaft 4, the transmission shaft 4 is sleeved with the positioning sleeve 3 through a bearing, and the air distributor is different from the prior air distributor driving gear 5, the transmission shaft 4 and the distribution plate 7 integrally and is air-pressure-operated, the arrangement mode of the movement under the action of oil pressure ensures that the transmission shaft 4 only has the transmission effect, the rotation of the transmission shaft 4, the driving gear 5 and the distribution plate 7 is more stable, and when oil is injected into the oil inlet groove 16, the distribution plate 7 is only pushed to move, and the driving gear 5 and the transmission shaft 4 do not move, thereby being beneficial to the maintenance of the stable working state of the air distributor.

Claims (8)

1. The utility model provides an air distributor for medium speed diesel engine, including casing (1), one side of casing (1) is equipped with end cover (2), one side movable sleeve that end cover (2) were kept away from to casing (1) is equipped with spacer sleeve (3), the inside movable sleeve of spacer sleeve (3) is equipped with transmission shaft (4), one end fixedly connected with driving gear (5) of transmission shaft (4), the other end of transmission shaft (4) is connected with distribution dish (7), be equipped with in casing (1) and be located switching-over dish (8) of distribution dish (7) one side, inlet groove (16) have been seted up on casing (1), inlet groove (13) have been seted up to the side of end cover (2), characterized in that, distribution dish (7) are cup jointed with transmission shaft (4) activity, and distribution dish (7) rotate along with transmission shaft (4), one side fixedly connected with piston cylinder (9) of casing (1) are kept away from to end cover (2), piston plate (12) are equipped with in the piston cylinder (9) activity cover, piston plate (12) are connected with distribution dish (7), when using, the direction of the start-up air gets into in end cover (2) through inlet groove (13), the direction of force of the piston plate (12) is still receives inside the piston cylinder (7) that the opposite, and the area of the piston plate (12) acted by the air pressure is smaller than the area of the distribution plate (7) acted by the air pressure.
2. The air distributor for the medium-speed diesel engine according to claim 1, wherein a three-way pipe (14) communicated with the air inlet groove (13) is fixedly sleeved on the end cover (2), the top of the three-way pipe (14) is communicated with the inner cavity of the piston cylinder (9), and one end of the three-way pipe (14) is communicated with an air inlet pipe (15).
3. The air distributor for the medium-speed diesel engine according to claim 1, wherein the outer side of the transmission shaft (4) is connected with the inner side of the positioning sleeve (3) through bearings, the number of the bearings is two, and the two bearings are respectively arranged at two ends of the positioning sleeve (3).
4. An air distributor for medium speed diesel engines according to claim 3, characterized in that both ends of the positioning sleeve (3) are provided with sealing members (6), and the two sealing members (6) are separately arranged at the outer sides of the two bearings.
5. The air distributor for the medium-speed diesel engine according to claim 1, wherein one side of the distribution disc (7) far away from the reversing disc (8) is fixedly sleeved with a connecting tube (11), the inner wall of the connecting tube (11) is movably sleeved with the outer side of the transmission shaft (4) and is in sealing fit with the outer side of the transmission shaft, one end of the connecting tube (11) far away from the distribution disc (7) is connected with the piston plate (12), an oil guide groove (17) is formed in the middle of the transmission shaft (4), and the oil inlet groove (16), the oil guide groove (17) and the inner cavity of the connecting tube (11) are communicated.
6. The air distributor for medium speed diesel engine according to claim 5, wherein a sealing sleeve is provided between the outer arc surface of the linking pipe (11) and the side wall of the end cover (2).
7. The air distributor for medium speed diesel engine according to claim 5, wherein the interlocking tube (11) and the piston plate (12) are fixedly connected by bolts and nuts, and the bolts are sleeved with a pipe sleeve between the interlocking tube (11) and the piston plate (12).
8. The air distributor for medium-speed diesel engine according to claim 5, wherein one end of the transmission shaft (4) is provided with a protrusion movably clamped with the inner wall of the distribution plate (7), and the inner wall of the linkage tube (11) is movably sleeved with the outer side of the transmission shaft (4) and is in sealing fit with the outer side of the transmission shaft.
CN202310765946.6A 2023-06-27 2023-06-27 Air distributor for medium-speed diesel engine Active CN116857101B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310765946.6A CN116857101B (en) 2023-06-27 2023-06-27 Air distributor for medium-speed diesel engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310765946.6A CN116857101B (en) 2023-06-27 2023-06-27 Air distributor for medium-speed diesel engine

Publications (2)

Publication Number Publication Date
CN116857101A true CN116857101A (en) 2023-10-10
CN116857101B CN116857101B (en) 2024-03-12

Family

ID=88235066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310765946.6A Active CN116857101B (en) 2023-06-27 2023-06-27 Air distributor for medium-speed diesel engine

Country Status (1)

Country Link
CN (1) CN116857101B (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB346591A (en) * 1929-05-08 1931-04-16 Nicolas Herzmark Improvements in starting devices for internal combustion engines
GB639923A (en) * 1945-03-26 1950-07-12 Chandler Evans Corp Improvements in or relating to liquid fuel supply systems for internal combustion engines
US3371655A (en) * 1964-12-10 1968-03-05 Semt Safety system for speed reversal in heat engines and the like
SE359142B (en) * 1971-02-05 1973-08-20 De Machines Thermiques Soc Et
CN101201013A (en) * 2006-12-11 2008-06-18 蔡盛龙 Ceramic compound engine
CN206409333U (en) * 2017-01-22 2017-08-15 宁波大学 A kind of diesel engine air distributor
CN107269440A (en) * 2017-06-30 2017-10-20 中船动力研究院有限公司 Medium seed diesel engine starting air distributor
KR20180050061A (en) * 2016-11-04 2018-05-14 주식회사 협신금속 starting air valve
KR101968495B1 (en) * 2017-11-15 2019-04-12 박상일 Main starting valve
CN113323727A (en) * 2020-02-28 2021-08-31 北京汽车动力总成有限公司 Distributed power valve, engine and vehicle with distributed power valve and engine
KR20210002201U (en) * 2020-03-25 2021-10-07 대한민국(국방부 해군참모총장) Tool for Damage Prevention of Diesel Engine Starting Air Distribution Machine
CN114320697A (en) * 2021-12-29 2022-04-12 潍柴动力股份有限公司 Air distributor of engine and engine

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB346591A (en) * 1929-05-08 1931-04-16 Nicolas Herzmark Improvements in starting devices for internal combustion engines
GB639923A (en) * 1945-03-26 1950-07-12 Chandler Evans Corp Improvements in or relating to liquid fuel supply systems for internal combustion engines
US3371655A (en) * 1964-12-10 1968-03-05 Semt Safety system for speed reversal in heat engines and the like
SE359142B (en) * 1971-02-05 1973-08-20 De Machines Thermiques Soc Et
CN101201013A (en) * 2006-12-11 2008-06-18 蔡盛龙 Ceramic compound engine
KR20180050061A (en) * 2016-11-04 2018-05-14 주식회사 협신금속 starting air valve
CN206409333U (en) * 2017-01-22 2017-08-15 宁波大学 A kind of diesel engine air distributor
CN107269440A (en) * 2017-06-30 2017-10-20 中船动力研究院有限公司 Medium seed diesel engine starting air distributor
KR101968495B1 (en) * 2017-11-15 2019-04-12 박상일 Main starting valve
CN113323727A (en) * 2020-02-28 2021-08-31 北京汽车动力总成有限公司 Distributed power valve, engine and vehicle with distributed power valve and engine
KR20210002201U (en) * 2020-03-25 2021-10-07 대한민국(국방부 해군참모총장) Tool for Damage Prevention of Diesel Engine Starting Air Distribution Machine
CN114320697A (en) * 2021-12-29 2022-04-12 潍柴动力股份有限公司 Air distributor of engine and engine

Also Published As

Publication number Publication date
CN116857101B (en) 2024-03-12

Similar Documents

Publication Publication Date Title
CN101008350A (en) Gas turbine engine assembly and methods of assembling same
CN201057122Y (en) Strong-sealing high-speed stream cycloid hydraulic motor and high-pressure rotating shaft seal
CN100389271C (en) High performance water lubricating mechanical driving system
WO2022007325A1 (en) Low-speed high-torque valve flow distribution inner curve radial piston-type high-water-base hydraulic motor
CN102556321B (en) Floating type spherical rotating vane steering engine
CN116857101B (en) Air distributor for medium-speed diesel engine
CN214577737U (en) Novel sectional assembly type shaft tubular pump device
CN216478539U (en) Axial positioning structure of cross assembly
CN102434504A (en) Hydraulic transformer with axial flow distribution
CN1029422C (en) Revolving joint for high speed and high pressure hydraulic means
CN111997748B (en) Rolling sealing type rotor engine
CN201635905U (en) High-arch fluid coupling motor
CN110925298B (en) But high strength heavy load deep groove ball bearing of quick installation
CN2382904Y (en) Gas lubrication non-contact corrugated pipe mechanical seal device
CN2173885Y (en) Shutdown spiral sealing for heavy oil machinery or pump
CN218992171U (en) Gear plunger clutch
CN218207268U (en) Bidirectional output supercharger
CN201302017Y (en) High-pressure and high-speed rotary joint
CN220815917U (en) Crankshaft mounting structure and slurry pump
CN220890261U (en) Four-cylinder piston type pneumatic motor
CN215674154U (en) Clearance seal type hydraulic center rotary joint
CN220870589U (en) Pump shaft sealing structure of lubricating oil pump
CN117365943B (en) High-pressure fuel pump with clearance compensation mechanism
CN220869657U (en) Self-balancing and play-free multistage pump
CN221034421U (en) Independent double-passage rotary joint

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant