CN207420656U - A kind of two cycle compression release type brake device of integrated engine - Google Patents
A kind of two cycle compression release type brake device of integrated engine Download PDFInfo
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- CN207420656U CN207420656U CN201721335617.4U CN201721335617U CN207420656U CN 207420656 U CN207420656 U CN 207420656U CN 201721335617 U CN201721335617 U CN 201721335617U CN 207420656 U CN207420656 U CN 207420656U
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- 230000006835 compression Effects 0.000 title claims abstract description 25
- 238000007906 compression Methods 0.000 title claims abstract description 25
- 230000002902 bimodal effect Effects 0.000 claims abstract description 15
- 210000003781 tooth socket Anatomy 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 119
- 239000003921 oil Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The utility model discloses a kind of two cycle compression release type brake devices of integrated engine.For solving the engine that existing two cycle compressions release type brake device may be only available for multi-cylinder and inlet valve has advance angle, the problem of cannot carrying out single cylinder control, the device of the utility model can realize the compression-release type braking of two strokes, higher braking power can be obtained, control oil circuit, switching construction is simply easily achieved, and each cylinder when can be to engine braking is independently controlled, number of cylinders and former port timing to engine is without particular/special requirement, pass through the design to bimodal exhaust cam molded line at the beginning of design, the maximum brake power that controllable engine can be realized.
Description
Technical field
The utility model is related to a kind of engine braking apparatus, and more specifically, the utility model is related to a kind of integrated forms
Two cycle compression release type brake device of engine.
Background technology
Engine braking is resistance to compression pression, internal friction and intake and exhaust that a kind of compression travel using engine generates
Resistance forms driving wheel the vehicle auxiliary braking technology of braking action, fast available for the average traveling for reducing and control automobile
Degree, can efficiently reduce the frequency of use of service braking system, avoid the overheat generated due to long continuous operation and mill
Damage, improves the service life of brake, while is conducive to timely reduction of speed or parking, the security of enhancing vehicle traveling.Often at present
In engine braking, engine compresses release type is braked due to its braking principle, and braking ability is put up the best performance, it is possible to provide
Braking power and efficiency highest.CN201610401939.8/CN201620554511.2 discloses a kind of two stroke of engine
Compression-release type brake apparatus and its braking method are moved using the inlet valve with intake advance angle, passed by mechanical-hydraulic
Dynamic device, makes inlet valve open air inlet twice in induction stroke and expansion stroke, exhaust valve connects in compression stroke and exhaust stroke
Compressed gas in release cylinder is opened at the end of being bordering on twice, is braked so as to fulfill the compression-release type of two strokes, reaches acquisition more
The purpose of high braking power, however this two cycle compressions release type brake device and method may be only available for multi-cylinder and inlet valve
Engine with advance angle, it is impossible to carry out single cylinder control, there is certain limitation, and control oil circuit also complex.
The content of the invention
The purpose of the utility model is to overcome deficiency of the prior art, provide one kind can generate high braking power and
Two cycle compression release type brake device of integrated engine simple in structure, that single cylinder control can be carried out, to better meet vehicle
Braking requirement.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
A kind of two cycle compression release type brake device of integrated engine, including valve, valve rocker, valve actuating push rod,
Valve tappet mechanism, valve cam and housing, valve tappet mechanism include inlet valve tappet mechanism and exhaust valve tappet mechanism, match somebody with somebody
Gas cam includes admission cam and exhaust cam, and valve tappet mechanism is mounted on valve cam in housing;Valve tappet mechanism
Including plunger bushing, plunger, lower tooth, upper tooth, tappet, guide runner and spring;Plunger in a tubular form, is coaxially mounted in plunger bushing,
Plunger is equipped with guiding mechanism with plunger bushing side, and guiding mechanism is connected with housing, and plunger can only be axially moved with plunger bushing,
It cannot generate and radially slide;Inlet valve tappet mechanism its upper end is circular ring type plane, and exhaust valve tappet mechanism its upper end is
Dentalation, identical above and below transverse tooth thickness, tooth socket is uniformly distributed and wide with tooth;In a tubular form, lower tooth lower end is circular ring type plane to lower tooth,
Lower tooth upper end is dentalation, identical above and below transverse tooth thickness, and tooth socket is uniformly distributed with tooth and wide, the number of teeth of lower tooth and exhaust valve tappet
The actuator plungers upper end number of teeth is identical, and lower tooth is sleeved on its upper end, is coaxially mounted in plunger bushing, and it is fixed that lower tooth passes through with plunger bushing
Position bolt is connected, it is impossible to relatively move;The tooth face exhaust valve tappet mechanism its upper end tooth socket of exhaust valve tappet mechanism lower tooth;
Upper tooth is in tubbiness, and upper tooth outer diameter is equal with lower tooth outer diameter, and upper tooth internal diameter is equal with plunger internal diameter, and upper tooth lower end is dentalation,
Identical above and below transverse tooth thickness, tooth socket is uniformly distributed and wide with tooth, and the number of teeth of upper tooth is identical with the lower tooth number of teeth, and upper tooth upper end is equipped with boss
Structure, upper tooth are installed on above plunger and lower tooth, are coaxially mounted in plunger bushing, on inlet valve tappet mechanism the tooth face of tooth into
The tooth socket of valve tappet mechanism lower tooth, the tooth of tooth connects with inlet valve tappet mechanism plunger end face on inlet valve tappet mechanism, arranges
The tooth of the tooth face exhaust valve tappet mechanism lower tooth of tooth in valve tappet mechanism, the tooth and exhaust valve of tooth on exhaust valve tappet mechanism
The increment face of tappet mechanism lower tooth connects;Tappet lower end be equipped with arcuation guide groove and fan groove, guide groove one end closing, one end with
Fan groove connects, and guide groove inner sealing end connects with spring one end, and the spring other end connects with arcuation guide runner, tappet installation
It above upper tooth, is coaxially mounted in plunger bushing, tappet is connected with plunger bushing by positioning pin, can only be axially moved, no
It can generate and radially slide, tappet lower face connects with upper tooth boss bottom end face, upper tooth boss upper surface and tappet fan groove bottom
Face connects, and upper tooth boss one side connects with the guide runner of tappet, and liquid is formed between the fan groove end face of another side and tappet
Pressure-volume chamber, the oilhole on hydraulic pressure cavity volume face plunger bushing are connected by oilhole with control oil duct, and tappet upper end is in bowl-shape, bottom of bowl
Connect with valve actuating push rod lower end, valve actuating push rod upper end is connected by valve rocker with valve;Admission cam includes and air inlet stile
The unimodal admission cam of the opposite master of column actuator plungers lower end position and opposite with inlet valve tappet mechanism plunger bushing lower end position
Auxiliary unimodal admission cam, main unimodal admission cam are the normal admission cam of engine, auxiliary unimodal admission cam and main unimodal air inlet
Cam profile molded line is identical, and installation phase differs 180 °;Exhaust cam includes and exhaust valve tappet mechanism plunger bushing lower end position
The unimodal exhaust cam of opposite master and the auxiliary bimodal exhaust cam opposite with exhaust valve tappet mechanism plunger lower end position, master are unimodal
Exhaust cam is engine normal exhaust cam, and auxiliary bimodal exhaust cam molded line wheel peak and stroke are small compared with unimodal exhaust cam is led,
One wheel peak of auxiliary bimodal exhaust cam reaches extreme higher position when installation phase is before cylinder piston arrival top dead centre.
The plunger bushing side wall is equipped with oilhole, connects plunger bushing inner cavity and housing.
The control oil duct is connected through solenoid valve with oil pump.
The admission cam and valve cam are mounted on same camshaft.
It compared with prior art, can the utility model has the advantages that the compression-release type braking of two strokes can be realized
Obtain higher braking power, control oil circuit, switching construction are simply easily achieved, and can be to engine braking when each gas
Cylinder is independently controlled, and the number of cylinders and former port timing to engine are without particular/special requirement, by bimodal exhaust at the beginning of design
The design of cam profile, the maximum brake power that controllable engine can be realized.
Description of the drawings
Fig. 1 is the cross-section structure of two cycle compression release type brake device on-position of the utility model integrated engine
Schematic diagram.
Fig. 2 is the section knot of the two non-brake state of cycle compression release type brake device of the utility model integrated engine
Structure schematic diagram.
Fig. 3 is the inlet valve tappet mechanism plunger of the utility model and lower tooth structure diagram.
Fig. 4 is the exhaust valve tappet mechanism plunger of the utility model and lower tooth structure diagram.
Fig. 5 is the upper toothing schematic diagram of the utility model.
Fig. 6 is the tappet bottom structure diagram of the utility model.
Reference numeral is in figure:1 plunger bushing;2 tappets;3 hydraulic pressure cavity volumes;4 oilholes;Tooth on 5;6 lower tooths;7 positioning bolts;8
Oilhole;9 inlet valve tappet mechanism plungers;The 10 unimodal admission cams of master;11 auxiliary unimodal admission cams;12 camshafts;13 masters
Unimodal exhaust cam;14 auxiliary bimodal exhaust cams;15 exhaust valve tappet mechanism plungers;16 guide runners;17 springs;18 is fan-shaped
Slot.
Specific embodiment
Firstly, it is necessary to explanation, the utility model are applicable to the engine of arbitrary cylinder number.Below in conjunction with attached drawing pair
The utility model is described in further detail, but not as the restriction to the utility model.
Structure diagram such as Fig. 1 to Fig. 6 of two cycle compression release type brake device of integrated engine in the present embodiment
Shown, including valve, valve rocker, valve actuating push rod, valve tappet mechanism, valve cam and housing, valve tappet mechanism includes
Inlet valve tappet mechanism and exhaust valve tappet mechanism, valve cam include admission cam and exhaust cam, valve tappet mechanism with
Valve cam is mounted in housing;Valve tappet mechanism includes plunger bushing 1, plunger, lower tooth 6, upper tooth 5, tappet 2, guide runner
16 and spring 17;Plunger in a tubular form, is coaxially mounted in plunger bushing 1, and plunger is equipped with guiding mechanism with 1 side of plunger bushing, is oriented to
Mechanism is connected with housing, and plunger can only be axially moved with plunger bushing 1, it is impossible to which generation radially slides;Inlet valve tappet mechanism
9 upper end of plunger is circular ring type plane, and 15 upper end of exhaust valve tappet mechanism plunger is dentalation, identical above and below transverse tooth thickness, tooth socket with
Tooth is uniformly distributed and wide;In a tubular form, 6 lower end of lower tooth is circular ring type plane to lower tooth 6, and 6 upper end of lower tooth is dentalation, in transverse tooth thickness
Under it is identical, tooth socket is uniformly distributed and wide with tooth, and the number of teeth of lower tooth 6 is identical with the 15 upper end number of teeth of exhaust valve tappet mechanism plunger,
Lower tooth 6 is sleeved on its upper end, is coaxially mounted in plunger bushing 1, and lower tooth 6 is connected with plunger bushing 1 by positioning bolt 7, it is impossible to
Relative movement;The 15 upper end tooth socket of tooth face exhaust valve tappet mechanism plunger of exhaust valve tappet mechanism lower tooth;Upper tooth 5 is in tubbiness,
Upper 5 outer diameter of tooth is equal with 6 outer diameter of lower tooth, and upper 5 internal diameter of tooth is equal with plunger internal diameter, and upper 5 lower end of tooth is dentalation, above and below transverse tooth thickness
Identical, tooth socket is uniformly distributed and wide with tooth, and the number of teeth of upper tooth 5 is identical with 6 number of teeth of lower tooth, and upper 5 upper end of tooth is equipped with boss structure,
Upper tooth 5 is installed on 6 top of plunger and lower tooth, is coaxially mounted in plunger bushing 1, the tooth face air inlet of tooth on inlet valve tappet mechanism
The tooth socket of door tappet mechanism lower tooth, the tooth of tooth connects with 9 end face of inlet valve tappet mechanism plunger on inlet valve tappet mechanism, exhaust
The tooth of the tooth face exhaust valve tappet mechanism lower tooth of tooth on door tappet mechanism, the tooth of tooth and exhaust stile on exhaust valve tappet mechanism
The increment face of column mechanism lower tooth connects;2 lower end of tappet is equipped with arcuation guide groove and fan groove 18, the closing of guide groove one end, one end
It is connected with fan groove 18, guide groove inner sealing end connects with 17 one end of spring, 17 other end of spring and 16 phase of arcuation guide runner
It connects, tappet 2 is installed on 5 top of tooth, is coaxially mounted in plunger bushing 1, tappet 2 is connected with plunger bushing 1 by positioning pin, can only
It is axially moved, it is impossible to which generation radially slides, and 2 lower face of tappet connects with upper 5 boss bottom end face of tooth, on upper 5 boss of tooth
End face connects with 2 fan groove of tappet, 18 bottom surface, and upper 5 boss one side of tooth connects with the guide runner 16 of tappet 2, another side with
Form hydraulic pressure cavity volume 3 between 18 end face of fan groove of tappet 2, the oilhole 4 on 3 face plunger bushing 1 of hydraulic pressure cavity volume, by oilhole 4 with
Control oil duct is connected, and 2 upper end of tappet is in bowl-shape, and bottom of bowl connects with valve actuating push rod lower end, and valve actuating push rod upper end passes through valve rocker
It is connected with valve;Admission cam include the master unimodal admission cam 10 opposite with inlet valve tappet mechanism 9 lower end positions of plunger and
The auxiliary unimodal admission cam 11 opposite with inlet valve tappet mechanism plunger bushing lower end position, main unimodal admission cam 10 are engine
Normal admission cam, auxiliary unimodal admission cam 11 is identical with main unimodal 10 molded line molded line of admission cam, and installation phase differs 180 °;
Exhaust cam includes the master unimodal exhaust cam 13 opposite with exhaust valve tappet mechanism plunger bushing lower end position and with being vented stile
The opposite auxiliary bimodal exhaust cam 14 of 15 lower end position of column actuator plungers, main unimodal exhaust cam 13 are convex for engine normal exhaust
Wheel, auxiliary bimodal 14 molded line wheel peak of exhaust cam and stroke relatively lead that unimodal exhaust cam 13 is small, and installation phase is cylinder piston arrival
A wheel peak of auxiliary bimodal exhaust cam 14 reaches extreme higher position when before top dead centre.
1 side wall of plunger bushing is equipped with oilhole 8, connects 1 inner cavity of plunger bushing and housing.
The control oil duct is connected through solenoid valve with oil pump.
The admission cam and valve cam are mounted on same camshaft 12.
The braking method of two cycle compression release type brake device of integrated engine is as follows in the present embodiment:
1) as shown in fig.1, when braking, engine stop oil spout igniting, valve cam proper motion, solenoid valves,
Lubricating oil pump driving makes hydraulic oil by oilhole 4 into the hydraulic pressure cavity volume 3 between upper 5 boss of tooth and tappet fan groove 18, and hydraulic oil pushes away
5 plateau sidewall of dynamic upper tooth, rotates tooth 5, guide runner 16 is driven to be slided along guide groove, spring 17 compresses, inlet valve tappet
The tooth of tooth is turned to while connected with the tooth of inlet valve tappet mechanism lower tooth and inlet valve tappet mechanism plunger 9 in mechanism, main list
Peak admission cam 10 and auxiliary unimodal admission cam 11 come into force simultaneously to the driving function of inlet valve tappet mechanism, and main unimodal air inlet is convex
10 driving inlet valve tappet mechanism of wheel makes inlet valve open the air inlet into cylinder, auxiliary unimodal admission cam 11 in engine induction stroke
Driving inlet valve tappet mechanism makes inlet valve open the air inlet into cylinder in engine expansion stroke;Tooth on exhaust valve tappet mechanism
Tooth is turned to connect with the tooth of exhaust valve tappet mechanism plunger 15, driving of the main unimodal exhaust cam 13 to exhaust valve tappet mechanism
Disabler, auxiliary bimodal exhaust cam 14 come into force to the driving function of exhaust valve tappet mechanism, and auxiliary bimodal exhaust cam 14 drives
Exhaust valve tappet mechanism makes exhaust valve open one in neighbouring position before compression stroke and exhaust stroke piston reach top dead centre
Small guide vane, pressure-air discharges to form pumping loss in cylinder, realizes the release braking of two cycle compressions;
2) as shown in fig.2, when that need not brake, solenoid valve powers off, and the hydraulic oil in hydraulic pressure cavity volume 3 passes through oilhole 4
Draining, spring 17 reset, and guide runner 16 and upper tooth 5 is promoted to rotate, on inlet valve tappet mechanism the tooth of tooth turn to face into
The tooth socket of valve tappet mechanism lower tooth, the tooth of tooth connects with 9 end face of inlet valve tappet mechanism plunger on inlet valve tappet mechanism, main
Unimodal admission cam 10 comes into force to the driving function holding of inlet valve tappet mechanism, and auxiliary unimodal admission cam 11 is to inlet valve tappet
The driving function failure of mechanism, main unimodal admission cam 10 drive inlet valve tappet mechanism make inlet valve induction stroke open to
Air inlet in cylinder;The tooth of tooth turns to the tooth of face exhaust valve tappet mechanism lower tooth, exhaust valve tappet machine on exhaust valve tappet mechanism
The tooth of tooth connects with the increment face of exhaust valve tappet mechanism lower tooth on structure, and main unimodal exhaust cam 13 is to exhaust valve tappet mechanism
Driving function comes into force, and auxiliary bimodal exhaust cam 14 fails to the driving function of exhaust valve tappet mechanism, main unimodal exhaust cam 13
Driving exhaust valve tappet mechanism makes exhaust valve be opened in exhaust stroke, exhaust gas inside cylinder discharge;Engine work at this time.
Finally, it should also be noted that disclosed above is only specific embodiment of the utility model.The common skill of this field
All deformations that art personnel directly can export or associate from the utility model disclosure, are considered as the utility model
Protection domain.
Claims (4)
1. a kind of two cycle compression release type brake device of integrated engine, including valve, valve rocker, valve actuating push rod, gas
Door tappet mechanism, valve cam and housing, valve tappet mechanism include inlet valve tappet mechanism and exhaust valve tappet mechanism, distribution
Cam includes admission cam and exhaust cam, which is characterized in that the valve tappet mechanism is mounted on valve cam in housing;
Valve tappet mechanism includes plunger bushing (1), plunger, lower tooth (6), upper tooth (5), tappet (2), guide runner (16) and spring
(17);Plunger in a tubular form, is coaxially mounted in plunger bushing (1), and plunger is equipped with guiding mechanism, Guiding machine with plunger bushing (1) side
Structure is connected with housing, and plunger can only be axially moved with plunger bushing (1), it is impossible to which generation radially slides;Inlet valve tappet mechanism
Plunger (9) upper end is circular ring type plane, and exhaust valve tappet mechanism plunger (15) upper end is dentalation, identical, tooth above and below transverse tooth thickness
Slot is uniformly distributed and wide with tooth;In a tubular form, lower tooth (6) lower end is circular ring type plane to lower tooth (6), and lower tooth (6) upper end is dentation
Structure, identical above and below transverse tooth thickness, tooth socket is uniformly distributed with tooth and wide, the number of teeth and the exhaust valve tappet mechanism plunger of lower tooth (6)
(15) the upper end number of teeth is identical, and lower tooth (6) is sleeved on its upper end, is coaxially mounted in plunger bushing (1), lower tooth (6) and plunger bushing
(1) it is connected by positioning bolt (7), it is impossible to relatively move;The tooth face exhaust valve tappet mechanism of exhaust valve tappet mechanism lower tooth
Plunger (15) upper end tooth socket;Upper tooth (5) is in tubbiness, and upper tooth (5) outer diameter is equal with lower tooth (6) outer diameter, upper tooth (5) internal diameter and plunger
Internal diameter is equal, and upper tooth (5) lower end is dentalation, identical above and below transverse tooth thickness, and tooth socket is uniformly distributed and wide with tooth, upper tooth (5)
The number of teeth is identical with lower tooth (6) number of teeth, and upper tooth (5) upper end is equipped with boss structure, and upper tooth (5) is installed on above plunger and lower tooth (6),
It is coaxially mounted in plunger bushing (1), the tooth socket of the tooth face inlet valve tappet mechanism lower tooth of tooth, air inlet on inlet valve tappet mechanism
The tooth of tooth connects with inlet valve tappet mechanism plunger (9) end face on door tappet mechanism, the tooth face of tooth on exhaust valve tappet mechanism
The tooth of exhaust valve tappet mechanism lower tooth, the increment face phase of the tooth and exhaust valve tappet mechanism lower tooth of tooth on exhaust valve tappet mechanism
It connects;Tappet (2) lower end is equipped with arcuation guide groove and fan groove (18), the closing of guide groove one end, and one end is connected with fan groove (18),
Guide groove inner sealing end connects with spring (17) one end, and spring (17) other end connects with arcuation guide runner (16), tappet (2)
It is installed on above tooth (5), is coaxially mounted in plunger bushing (1), tappet (2) is connected with plunger bushing (1) by positioning pin, can only
It is axially moved, it is impossible to which generation radially slides, and tappet (2) lower face connects with upper tooth (5) boss bottom end face, upper tooth (5)
Boss upper surface connects with tappet (2) fan groove (18) bottom surface, the guide runner of upper tooth (5) boss one side and tappet (2)
(16) connect, hydraulic pressure cavity volume (3), hydraulic pressure cavity volume (3) face column are formed between fan groove (18) end face of another side and tappet (2)
Oilhole (4) on plug sleeve (1) is connected by oilhole (4) with control oil duct, and tappet (2) upper end is in bowl-shape, bottom of bowl and valve actuating push rod
Lower end connects, and valve actuating push rod upper end is connected by valve rocker with valve;
Admission cam include the master unimodal admission cam (10) opposite with inlet valve tappet mechanism plunger (9) lower end position and with into
The opposite auxiliary unimodal admission cam (11) of valve tappet actuator plungers set lower end position, main unimodal admission cam (10) are engine
Normal admission cam, auxiliary unimodal admission cam (11) is identical with main unimodal admission cam (10) molded line, and installation phase differs 180 °;
Exhaust cam includes the master unimodal exhaust cam (13) and and exhaust valve opposite with exhaust valve tappet mechanism plunger bushing lower end position
The opposite auxiliary bimodal exhaust cam (14) of tappet mechanism plunger (15) lower end position, main unimodal exhaust cam (13) for engine just
It is small that normal exhaust cam, auxiliary bimodal exhaust cam (14) molded line wheel peak and stroke relatively lead unimodal exhaust cam (13), and installation phase is
A wheel peak of auxiliary bimodal exhaust cam (14) reaches extreme higher position when before cylinder piston arrival top dead centre.
2. two cycle compression release type brake device of integrated engine according to claim 1, it is characterised in that described
Plunger bushing (1) side wall be equipped with oilhole (8), connect plunger bushing (1) inner cavity and housing.
3. two cycle compression release type brake device of integrated engine according to claim 1, it is characterised in that described
Control oil duct be connected through solenoid valve with oil pump.
4. two cycle compression release type brake device of integrated engine according to claim 1, it is characterised in that described
Admission cam and valve cam be mounted on same camshaft (12) on.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721335617.4U CN207420656U (en) | 2017-10-17 | 2017-10-17 | A kind of two cycle compression release type brake device of integrated engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721335617.4U CN207420656U (en) | 2017-10-17 | 2017-10-17 | A kind of two cycle compression release type brake device of integrated engine |
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Publication Number | Publication Date |
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CN207420656U true CN207420656U (en) | 2018-05-29 |
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ID=62311483
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CN201721335617.4U Withdrawn - After Issue CN207420656U (en) | 2017-10-17 | 2017-10-17 | A kind of two cycle compression release type brake device of integrated engine |
Country Status (1)
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CN (1) | CN207420656U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107939472A (en) * | 2017-10-17 | 2018-04-20 | 浙江大学 | Two cycle compression release type brake device of integrated engine and its braking method |
CN110426213A (en) * | 2019-09-03 | 2019-11-08 | 浙江大学 | A kind of hydraulic loaded multifunctional engine valve actuating mechanism testing stand |
WO2023078141A1 (en) * | 2021-11-03 | 2023-05-11 | 浙江吉利控股集团有限公司 | Brake force amplification device, brake system, and vehicle |
-
2017
- 2017-10-17 CN CN201721335617.4U patent/CN207420656U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107939472A (en) * | 2017-10-17 | 2018-04-20 | 浙江大学 | Two cycle compression release type brake device of integrated engine and its braking method |
CN107939472B (en) * | 2017-10-17 | 2023-10-27 | 浙江大学 | Two-stroke compression release type braking device of integrated engine and braking method thereof |
CN110426213A (en) * | 2019-09-03 | 2019-11-08 | 浙江大学 | A kind of hydraulic loaded multifunctional engine valve actuating mechanism testing stand |
WO2023078141A1 (en) * | 2021-11-03 | 2023-05-11 | 浙江吉利控股集团有限公司 | Brake force amplification device, brake system, and vehicle |
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Granted publication date: 20180529 Effective date of abandoning: 20231027 |
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