CN113446083A - Engine and vehicle with same - Google Patents

Engine and vehicle with same Download PDF

Info

Publication number
CN113446083A
CN113446083A CN202010228798.0A CN202010228798A CN113446083A CN 113446083 A CN113446083 A CN 113446083A CN 202010228798 A CN202010228798 A CN 202010228798A CN 113446083 A CN113446083 A CN 113446083A
Authority
CN
China
Prior art keywords
hole
engine
cover
combustion
cylinder sleeve
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
CN202010228798.0A
Other languages
Chinese (zh)
Other versions
CN113446083B (en
Inventor
王玲芳
刘乙君
王艳军
陈明
徐政
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.)
SAIC Motor Corp Ltd
Original Assignee
SAIC Motor Corp 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 SAIC Motor Corp Ltd filed Critical SAIC Motor Corp Ltd
Priority to CN202010228798.0A priority Critical patent/CN113446083B/en
Publication of CN113446083A publication Critical patent/CN113446083A/en
Application granted granted Critical
Publication of CN113446083B publication Critical patent/CN113446083B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L7/00Rotary or oscillatory slide valve-gear or valve arrangements
    • F01L7/06Rotary or oscillatory slide valve-gear or valve arrangements with disc type valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/026Gear drive
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01LCYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02Valve drive
    • F01L1/04Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B23/00Other engines characterised by special shape or construction of combustion chambers to improve operation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D13/00Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0203Variable control of intake and exhaust valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/10Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/101Engine speed
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

The invention discloses an engine and a vehicle with the engine, wherein the engine comprises a cylinder sleeve which is provided with a cavity, a cylinder sleeve cover and a piston are arranged in the cavity, the cylinder sleeve cover is fixed on the inner wall of the cavity, a combustion chamber is formed between the cylinder sleeve cover and the piston, a valve port communicated with the combustion chamber is arranged on the cylinder sleeve cover, and the combustion cover is communicated with the existing air passage; the combustion cover is connected with the cylinder sleeve cover in a circumferential rotating mode, the combustion cover rotates in the circumferential direction so that the valve port is communicated with or disconnected from the corresponding air passage, and the adjusting part is used for adjusting the size of the valve port; the invention utilizes the rotation of the combustion cover to open the valve port arranged on the cylinder sleeve cover so as to solve the air inlet and exhaust functions, and the combustion cover is directly matched with the cylinder sleeve cover arranged in the cavity, thereby canceling the guide pipe, the seat ring and the valve in the prior art, solving the sealing problems of easy abrasion, oil leakage and the like of the valve and the seat ring, and greatly improving the safety of the engine.

Description

Engine and vehicle with same
Technical Field
The invention relates to the technical field of engine combustion, in particular to an engine and a vehicle with the engine.
Background
Existing engine combustion systems typically include the following components: the device comprises a camshaft, two valves 1-2, guide pipes 1-3, seat rings 1-4, a piston, a cylinder 1-1, a connecting rod mechanism, a crankshaft and the like.
Wherein, a combustion chamber is formed inside the cylinder 1-1, and a piston reciprocates inside the combustion chamber. The cylinder 1-1 is also provided with an air inlet passage 1-5 and an air outlet passage which are respectively used for communicating the air inlet pipeline with the combustion chamber and the air outlet pipeline with the combustion chamber, and two air valves 1-2 are respectively arranged on the air inlet passage 1-5 and the air outlet passage so as to control the air inlet opening and the air outlet opening.
As can be seen from the above description, the valves 1-2 and the piston are moving parts, both of which can move in a high temperature and high pressure environment. In order to guarantee the reliability of the movement of the air valve 1-2, a guide pipe 1-3 is specially arranged, part of the air valve 1-2 is arranged in the guide pipe 1-3, and the air valve 1-2 moves along the guide pipe 1-3 during working. In addition, in order to realize the sealing performance of the valve 1-2 and the air inlet and the air outlet of the cylinder 1-1, a seat ring 1-4 is arranged at the contact position of the cylinder 1-1 and the valve 1-2, and the valve 1-2 is in collision contact with the cylinder 1-1 through the seat ring 1-4.
When the valve 1-2 works, the valve 1-2 continuously rubs and impacts the seat ring 1-4, so that the valve 1-2, the seat ring 1-4 and the guide pipe 1-3 are easily worn, once one of the valve 1-2, the seat ring 1-4 and the guide pipe is worn, the phenomena of air leakage, engine oil burning and the like of an engine combustion system can be caused, the performance of the engine is influenced, and the engine can be disabled in severe cases.
Therefore, how to improve the working reliability of the engine combustion system is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide an engine which can avoid abrasion of a valve and a guide pipe seat ring and improve the working performance of the engine. In addition, the invention also provides a vehicle with the engine.
The invention provides an engine, which comprises a cylinder sleeve with a cavity, wherein a cylinder sleeve cover and a piston are arranged in the cavity, the cylinder sleeve cover is fixed on the inner wall of the cavity, a combustion chamber is formed between the cylinder sleeve cover and the piston, and a valve port communicated with the combustion chamber is arranged on the cylinder sleeve cover; the combustion cover is connected to the cylinder sleeve cover in a circumferential rotating mode, the combustion cover rotates in the circumferential direction so that the valve port is communicated with or disconnected from the corresponding air passage, and the adjusting part is used for adjusting the size of the valve port.
The invention utilizes the rotation of the combustion cover to open the valve port arranged on the cylinder sleeve cover to solve the air inlet and exhaust functions, the combustion cover is directly matched with the cylinder sleeve cover arranged in the cavity, the combustion chamber is directly communicated with the air inlet channel or the air exhaust channel through the corresponding valve port when the combustion cover rotates to different positions, the air inlet and exhaust are realized, the guide pipe, the seat ring and the valve in the prior art are omitted, the sealing problems of easy abrasion, oil leakage and the like of the valve and the seat ring are solved, and the safety of the engine is greatly improved. Meanwhile, the moment of air intake and air exhaust can be flexibly controlled, Miller circulation and Otto circulation can be simultaneously realized in the engine without a VVL (variable valve timing) system, the Miller circulation is used at a medium-high speed, the fuel economy is improved, the Otto circulation is used at a low speed, the low-speed torque is improved, two different circulation modes are comprehensively used, and the improvement of the comprehensive performance of the engine can be realized.
Optionally, the valve port includes an air inlet through hole and an air outlet through hole, and the adjusting part adjusts the size of the air inlet through hole; when the combustion cover rotates to the first position, the air inlet through hole is communicated with the air inlet channel, and the air outlet through hole is closed; when the combustion cover rotates to the second position, the air inlet through hole and the air outlet through hole are both closed; when the combustion cover rotates to the third position, the air inlet through hole is closed, and the air outlet through hole is opened to communicate the exhaust passage.
Optionally, the combustion cover is provided with a first channel and a second channel which are arranged along the circumferential direction, and when the combustion cover rotates to the first position, the air inlet through hole is communicated with the air inlet channel through the first channel; when the exhaust passage rotates to the third position, the air outlet through hole is communicated with the exhaust passage through the second passage.
Optionally, the air inlet through hole is an arc-shaped hole, the arc-shaped hole extends circumferentially with the center of the cylinder liner cover as a circle center, the first channel is also an arc-shaped hole, and when the combustion cover is at the first position, the air inlet through hole completely covers the first channel, and the radians of the air inlet through hole and the first channel are the same; or/and the number of the air outlet through holes at least comprises two, each air outlet through hole is arranged along the circumferential direction, correspondingly, the number of the second channels is also two, and the two air outlet through holes can correspond to the two second channels respectively.
Optionally, a groove is formed in the cylinder liner cover, the air inlet through holes are formed in the bottom of the groove, the adjustable component is an insert block arranged in the groove in a sliding manner, and the insert block can slide back and forth to block part of the air inlet through holes or completely open the air inlet through holes.
Optionally, the engine further comprises a detecting component for detecting the rotation speed of the engine, the inserting block slides to a corresponding position according to the rotation speed of the engine to open the air inlet through hole to a preset size, and the opening of the air inlet through hole is larger as the rotation speed of the engine is higher.
Optionally, the combustion cover further comprises a gear transmission mechanism and a cam shaft, wherein the input end of the gear transmission mechanism is used for being connected with the cam shaft, the output end of the gear transmission mechanism is connected with the combustion cover, and the crankshaft drives the combustion cover to rotate in a reciprocating manner through the cam shaft and the gear transmission mechanism.
Optionally, the gear rotating mechanism includes a first bevel gear and a second bevel gear that are engaged with each other, the first bevel gear is disposed on the camshaft, and a rotating shaft of the second bevel gear is fixedly connected to the combustion cover.
Optionally, the detecting component detects a rotation speed of the camshaft, and the insert block slides to a corresponding position according to the rotation speed of the camshaft to open the intake passage to a proper size.
In addition, the invention also provides a vehicle which comprises a vehicle body and the engine arranged on the vehicle body, wherein the engine is any one of the engines.
The vehicle of the present invention has the above-described technical effects of the engine, because the vehicle has the above-described engine.
Drawings
FIG. 1 is a schematic diagram of a combustion system of an engine according to the prior art;
FIG. 2 is a schematic view of a portion of an engine according to an embodiment of the present invention;
FIG. 3 is a schematic view of a combustion cap according to an embodiment of the present invention;
FIG. 4 is a three-dimensional frame diagram of a cylinder head engine according to one embodiment of the present disclosure.
Wherein, in fig. 1:
1-1 cylinder; 1-2 air valves; 1-3 guide tubes; 1-4 seat rings; 1-5 air inlet channels;
wherein, in fig. 2 to 4:
1-a control device; 2-a camshaft; 3-a gear transmission mechanism; 4-cylinder liner; 5-a combustion cover;
51-a first channel; 52-a second channel; 6-cylinder sleeve cover; 7-a piston; 8-a linkage mechanism; 9-cylinder cover;
10-organism.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 2 to 4, fig. 2 is a schematic partial structure diagram of an engine according to an embodiment of the present invention; FIG. 3 is a schematic view of a combustion cap according to an embodiment of the present invention; FIG. 4 is a three-dimensional frame diagram of a cylinder head engine according to one embodiment of the present disclosure.
The invention provides an engine, which comprises an engine body 10 and a cylinder cover 9, wherein the cylinder cover 9 is provided with a cylinder sleeve 4 with a cavity, a cylinder sleeve cover 6 and a piston 7 are arranged in the cavity, the cylinder sleeve cover 6 is fixed on the inner wall of the cavity, a combustion chamber is formed between the cylinder sleeve cover 6 and the piston 7, and a valve port communicated with the combustion chamber is arranged on the cylinder sleeve cover 6; the valve port can be arranged on the cylinder sleeve cover 6, and can be formed by enclosing the cylinder sleeve cover 6 and the inner wall of the cavity. The present document shows a specific embodiment in which the valve port is opened in the cylinder head cover 6.
In which the piston 7 is driven by a linkage 8, as can be seen in the prior art.
The engine also comprises a combustion cover 5 and an adjusting component, wherein the combustion cover 5 is directly communicated with the air passage, namely the combustion cover 5 is directly arranged in the existing engine air passage, and the combustion cover can be arranged at the position where the existing engine air passage is connected with the flame surface, and the position can be the position where the air valve is arranged in the prior art. The combustion cover 5 is circumferentially rotatably attached to the cylinder head cover 6, the combustion cover 5 is circumferentially rotated so that the valve port is opened or closed, and the adjustment member is used to adjust the size of the valve port. That is, the circumferential rotation of the combustion cap 5 enables the valve ports on the liner cap to be communicated with or disconnected from the respective gas passages.
That is, the circumferential rotation of the combustion cover 5 herein can open the valve port or close the valve port, when the combustion chamber is intake or exhaust, the combustion cover 5 is controlled to rotate to open the valve port, so that the combustion chamber communicates with the intake passage through the valve port on the cylinder cover to realize intake, when the intake is finished, the combustion cover rotates to another position to close the valve port, so that the combustion chamber is closed with the outside, that is, when the combustion chamber is in a combustion state, the combustion cover 5 is controlled to rotate to close the valve port, so as to realize that the engine cylinder combusts the compressed gas to do work. When the gas in the combustion chamber is exhausted after the work is done, the combustion cover rotates to another position, the combustion chamber is communicated with the exhaust passage through the valve port, and the gas in the combustion chamber is exhausted.
And the size of the valve port can be adjusted according to the rotating speed of the engine, so that the valve is suitable for different working conditions of the engine.
Wherein the inlet and outlet ducts may be of prior art construction for the engine.
The invention utilizes the rotation of the combustion cover 5 to open the valve port arranged on the cylinder sleeve cover 6 to solve the air inlet and exhaust functions, the combustion cover 5 is directly matched with the cylinder sleeve cover 6 arranged in the cavity, the combustion chamber is directly communicated with the air inlet channel or the exhaust channel through the corresponding valve port when the combustion cover rotates to different positions, the air inlet and exhaust are realized, the guide pipe, the seat ring and the valve in the prior art are eliminated, the sealing problems of easy abrasion, oil leakage and the like of the valve and the seat ring are solved, and the safety of the engine is greatly improved. Meanwhile, the moment of air intake and air exhaust can be flexibly controlled, Miller circulation and Otto circulation can be simultaneously realized in the engine without a VVL (variable valve timing) system, the Miller circulation is used at a medium-high speed, the fuel economy is improved, the Otto circulation is used at a low speed, the low-speed torque is improved, two different circulation modes are comprehensively used, and the improvement of the comprehensive performance of the engine can be realized.
In a specific embodiment, the valve port includes an inlet through hole and an outlet through hole, and the adjusting member adjusts the size of the inlet through hole; when the combustion cover 5 rotates to the first position, the air inlet through hole is communicated, and the air outlet through hole is closed, namely, the combustion cover is in an air inlet state; when the combustion cover 5 rotates to the second position, the air inlet through hole and the air outlet through hole are both closed, namely the combustion chamber is closed at the moment and is in a compression combustion state; when the combustion cover 5 rotates to the third position, the air inlet through hole is closed, and the air outlet through hole is opened, namely, the combustion cover is in an exhaust state.
The air inlet through hole and the air outlet through hole are respectively arranged in the embodiment to realize air inlet and exhaust functions, and the structure arrangement is simplified.
Further, the combustion cap 5 has also been provided with a first passage 51 and a second passage 52, both arranged circumferentially, the intake through hole communicating with the external intake duct through the first passage 51 when the combustion cap 5 is rotated to the first position; when rotated to the third position, the vent holes communicate with the external exhaust duct through the second passage 52. When the combustion cover 5 rotates to the second position, the combustion cover 5 rotates to a position where the air inlet through hole and the air outlet through hole are not overlapped with the first channel 51 and the second channel 52, the combustion chamber is closed, and combustion is achieved. In which an intake pipe 51a connected to a first passage 51 and an exhaust pipe 52a connected to a second passage 52 are shown in fig. 4.
This minimizes the rotation angle of the combustion cap 5 to achieve air intake and exhaust.
In the above embodiments, the air inlet through hole may be an arc-shaped hole, the arc-shaped hole extends circumferentially with the center of the cylinder liner cover 6 as a circle center, correspondingly, the first channel 51 is also an arc-shaped hole, and when the combustion cover 5 is at the first position, the air inlet through hole completely covers the first channel, and the two arcs are the same.
Both may be arc-shaped holes so that the intake through-hole is gradually opened or gradually closed when the intake is opened or closed.
Or/and in the above embodiment, the number of the air outlet through holes at least includes two, each air outlet through hole is arranged along the circumferential direction, correspondingly, the number of the second channels 52 is also two (as shown in fig. 3, two second channels 52 are shown), and the two air outlet through holes and the two second channels can respectively correspond to each other.
According to the amount of the exhaust gas, one air outlet through hole or two air outlet through holes can be opened.
In the above embodiments, the cylinder liner cover 6 may be provided with a groove, the bottom of the groove is separately provided with an air inlet through hole, the adjustable component is an insert block slidably disposed in the groove, and the insert block can slide back and forth to block part of the air inlet passage or completely open the air inlet through hole.
In the above embodiment, the insertion block may use the groove provided on the cylinder head cover 6 as a sliding rail, increasing the reliability of the operation. As shown in fig. 4, when the engine speed is relatively high, the insert slides into the right side of the notch, the opening of the air inlet through hole is the largest, the air inlet time of the system is increased, and the combustion is in a miller cycle; when the engine is at low speed, the inserting piece slides into the left side of the notch, the opening of the air inlet through hole is minimum, and combustion is of an Otto cycle.
In the above embodiment, the engine may further include a detection unit configured to detect a rotation speed of the engine, and the insert slides the corresponding position according to the rotation speed of the engine to open the air inlet hole to a proper size, and the opening of the air inlet hole is increased as the rotation speed of the engine is increased.
That is, the opening degree of the above-mentioned air intake through hole can be accurately controlled by the detecting means.
Of course, the detection signal of the detection means may be transmitted to the control device 1, and the control device 1 further controls the insertion block operation.
In the above embodiments, the engine may further include a gear transmission mechanism 3 and a camshaft 2, an input end of the gear transmission mechanism 3 is used for being connected with the camshaft 2, an output end of the gear transmission mechanism 3 is connected with the combustion cover 5, and the crankshaft drives the combustion cover 5 to rotate back and forth through the camshaft 2 and the gear transmission mechanism 3.
The gear rotating mechanism comprises a first bevel gear and a second bevel gear which are meshed with each other, the first bevel gear is arranged on the camshaft 2, and a rotating shaft of the second bevel gear is fixedly connected with the combustion cover 5. Wherein the rotating shaft of the second bevel gear can be rotatably supported on the cylinder head 6 through a bearing.
The bevel gear transmission structure is compact and the transmission stability is high.
In the above embodiments, the detecting member may directly detect the rotation speed of the camshaft 2, and the insert block slides to a corresponding position according to the rotation speed of the camshaft 2 to open the intake passage to a proper size.
The vehicle of the present invention has the above-described technical effects of the engine, because the vehicle has the above-described engine.
The engine and the vehicle with the engine provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. An engine is characterized by comprising a cylinder sleeve with a cavity, wherein a cylinder sleeve cover and a piston are arranged in the cavity, the cylinder sleeve cover is fixed on the inner wall of the cavity, a combustion chamber is formed between the cylinder sleeve cover and the piston, and a valve port communicated with the combustion chamber is arranged on the cylinder sleeve cover; the combustion cover is connected with the cylinder sleeve cover in a circumferential rotating mode, the combustion cover rotates in the circumferential direction so that the valve port is communicated with or disconnected from the corresponding air passage, and the adjusting part is used for adjusting the size of the valve port.
2. The engine according to claim 1, wherein the valve port includes an intake through-hole and an exhaust through-hole, and the adjusting member adjusts the size of the intake through-hole; when the combustion cover rotates to the first position, the air inlet through hole is communicated with the air inlet channel, and the air outlet through hole is closed; when the combustion cover rotates to the second position, the air inlet through hole and the air outlet through hole are both closed; when the combustion cover rotates to the third position, the air inlet through hole is closed, and the air outlet through hole is opened to communicate the exhaust passage.
3. The engine of claim 2, wherein the combustion cap is provided with a first passage and a second passage arranged in a circumferential direction, and when the combustion cap is rotated to a first position, the intake through-hole communicates with the intake passage through the first passage; when the exhaust passage rotates to the third position, the air outlet through hole is communicated with the exhaust passage through the second passage.
4. The engine of claim 2, characterized in that the air inlet through hole is an arc-shaped hole, the arc-shaped hole extends circumferentially around the center of the cylinder liner cover, the first passage is also an arc-shaped hole, and when the combustion cover is in the first position, the air inlet through hole completely covers the first passage and has the same radian; or/and the number of the air outlet through holes at least comprises two, each air outlet through hole is arranged along the circumferential direction, correspondingly, the number of the second channels is also two, and the two air outlet through holes can correspond to the two second channels respectively.
5. The engine according to any one of claims 2 to 4, characterized in that the cylinder liner cover is provided with a groove, the bottom of the groove is provided with the air inlet through hole separately, the adjustable component is an insert block which is arranged in the groove in a sliding manner, and the insert block can slide back and forth to block part of the air inlet through hole or completely open the air inlet through hole.
6. The engine according to claim 5, further comprising a detecting means for detecting an engine speed, the insert sliding corresponding positions according to the engine speed to open the intake through hole to a predetermined size, the opening of the intake through hole being larger the faster the engine speed.
7. The engine of claim 6, further comprising a gear train and a camshaft, wherein the gear train has an input end for connecting to the camshaft and an output end for connecting to the combustion cap, and wherein the crankshaft drives the combustion cap to rotate back and forth via the camshaft and the gear train.
8. The engine of claim 7, wherein the gear rotating mechanism comprises a first bevel gear and a second bevel gear which are meshed with each other, the first bevel gear is arranged on the camshaft, and the rotating shaft of the second bevel gear is fixedly connected with the combustion cover; the rotating shaft of the second bevel gear is rotatably supported on the cylinder sleeve cover through a bearing.
9. The engine according to claim 7, wherein the detection member detects a rotational speed of the camshaft, and the insert block slides to a corresponding position according to the rotational speed of the camshaft to open the intake passage to a proper size.
10. A vehicle comprising a vehicle body and an engine provided on the vehicle body, characterized in that the engine is the engine of any one of claims 1 to 9.
CN202010228798.0A 2020-03-27 2020-03-27 Engine and vehicle with same Active CN113446083B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010228798.0A CN113446083B (en) 2020-03-27 2020-03-27 Engine and vehicle with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010228798.0A CN113446083B (en) 2020-03-27 2020-03-27 Engine and vehicle with same

Publications (2)

Publication Number Publication Date
CN113446083A true CN113446083A (en) 2021-09-28
CN113446083B CN113446083B (en) 2023-04-25

Family

ID=77807894

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010228798.0A Active CN113446083B (en) 2020-03-27 2020-03-27 Engine and vehicle with same

Country Status (1)

Country Link
CN (1) CN113446083B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB544344A (en) * 1940-09-04 1942-04-09 William Charles Tomkins Improvements relating to valves and combustion chambers of four-stroke internal combustion engines
DE2910585A1 (en) * 1979-03-17 1980-09-18 Sulzer Ag Axial-sealing slider for IC engine cylinder-cooling air ducts - consists of ported disc inside cylinder head, with rigid cover-inserts flexibly held
JPS6111409A (en) * 1984-06-26 1986-01-18 Koichiro Tamura Intake and exhaust valve of internal-combustion engine
JP2000145418A (en) * 1998-11-06 2000-05-26 Kei Narita Intake/exhaust mechanism of internal combustion engine
CN2809229Y (en) * 2005-06-23 2006-08-23 高涛 Variable valve timing distribution device for internal combustion engine
US7328680B1 (en) * 2006-07-26 2008-02-12 Gary Diamond Cylinder head assembly and spherical valve for internal combustion engines
KR20090051575A (en) * 2007-11-19 2009-05-22 현대자동차주식회사 Induction and exhaust device equipped with the first valve disk and the second valve disk
US20140158080A1 (en) * 2012-07-11 2014-06-12 C. Budd Bayliff Rotary Exhaust Valve

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB544344A (en) * 1940-09-04 1942-04-09 William Charles Tomkins Improvements relating to valves and combustion chambers of four-stroke internal combustion engines
DE2910585A1 (en) * 1979-03-17 1980-09-18 Sulzer Ag Axial-sealing slider for IC engine cylinder-cooling air ducts - consists of ported disc inside cylinder head, with rigid cover-inserts flexibly held
JPS6111409A (en) * 1984-06-26 1986-01-18 Koichiro Tamura Intake and exhaust valve of internal-combustion engine
JP2000145418A (en) * 1998-11-06 2000-05-26 Kei Narita Intake/exhaust mechanism of internal combustion engine
CN2809229Y (en) * 2005-06-23 2006-08-23 高涛 Variable valve timing distribution device for internal combustion engine
US7328680B1 (en) * 2006-07-26 2008-02-12 Gary Diamond Cylinder head assembly and spherical valve for internal combustion engines
KR20090051575A (en) * 2007-11-19 2009-05-22 현대자동차주식회사 Induction and exhaust device equipped with the first valve disk and the second valve disk
US20140158080A1 (en) * 2012-07-11 2014-06-12 C. Budd Bayliff Rotary Exhaust Valve

Also Published As

Publication number Publication date
CN113446083B (en) 2023-04-25

Similar Documents

Publication Publication Date Title
US4421074A (en) Automatic timing variator for an internal combustion engine
US5205251A (en) Rotary valve for internal combustion engine
US4889086A (en) Automatic timing variation device for an internal combustion engine
US7721684B2 (en) Internal combustion engine
US4401069A (en) Camshaft lobes which provide selective cylinder cutout of an internal combustion engine
KR100961424B1 (en) Variable valve timing apparatus
US6035818A (en) Variable valve control apparatus
US11203952B2 (en) Opposed piston engine with variable compression ratio
US5392743A (en) Variable duration rotary valve
KR20130067863A (en) Engine that actively varies compressioin expansion ratio
US20200232348A1 (en) Sliding camshaft assembly
CN113446083A (en) Engine and vehicle with same
US6595170B2 (en) Hydraulic valve-operating mechanism
US10344682B1 (en) Engine valve shaft with flow passages for intake and exhaust control
RU2720879C1 (en) Rotary-piston internal combustion engine
US9249693B2 (en) Opposed piston diesel engine
CN108798818B (en) Valve mechanism and engine system
CN114402122B (en) Internal combustion engine with camshaft valve phase changing device
CN107327328A (en) A kind of VVT drive device
JP3714056B2 (en) Valve characteristic control method and control apparatus for internal combustion engine
CN107131022B (en) Variable valve timing device
CN108979853A (en) Pancake engine
US20110303172A1 (en) Valve drive of an internal combustion engine having an adustment device
TWI825061B (en) A rotary valve internal combustion engine
GB2373823A (en) Disc-type rotary valve for i.c. engines

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