CN100449120C - Rotary valve of IC engine air-inlet-exhaust system - Google Patents
Rotary valve of IC engine air-inlet-exhaust system Download PDFInfo
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- CN100449120C CN100449120C CNB2006100969186A CN200610096918A CN100449120C CN 100449120 C CN100449120 C CN 100449120C CN B2006100969186 A CNB2006100969186 A CN B2006100969186A CN 200610096918 A CN200610096918 A CN 200610096918A CN 100449120 C CN100449120 C CN 100449120C
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Abstract
This invention discloses a rotation valve of a diesel intake and exhaust system including an inner rotor, an outer rotor jacketed on it and a valve set outside of the outer rotor, in which, the inner rotor is hollow and one end is closed, the other is an open-end, the sides of the inner rotor, the outer rotor and the valve are opened with corresponding at least one set of side open-ends, when the inner rotor and the outer rotor rotate inversely, the side open-ends of the same set of them are turned on discontinuously, said inner rotor and the outer rotor are connected with a drive unit controlled by timing gear separately.
Description
Technical field
The present invention relates to internal-combustion engine timing air valve mechanism, particularly relate to Diesel Engine's Air Valve.
Background technique
At present typical four-stroke internal combustion engine system, the Air Valve Control technology relies on the transmission of camshaft, all is to adopt valve one cammingly distribution device, and it comprises camshaft, tappet, tappet, rocking arm, valve etc.Part is many, the rigidity difference is the distinguishing feature of distribution device, therefore is easy to excite vibration and noise.Simultaneously, for reducing sub load pumping loss, the many air inlets of full load, people are always in the variable one control air valve of tight research, but the variable control valve adjustments system authority more complicated of present strap cam axle.
Summary of the invention
The objective of the invention is to provides a kind of vibration and noise is less and can satisfy the rotary valve of keying duration requirement for internal combustion (IC) engine air-inlet-exhaust system, makes existing internal-combustion engine system implement variable phase comparatively easily simultaneously.
For achieving the above object, the rotary valve of a kind of internal combustion (IC) engine air-inlet-exhaust system provided by the invention, comprise internal rotor, be sleeved on the external rotor on the internal rotor and be positioned at the outer valve body of external rotor, internal rotor hollow and end sealing, the other end is an opening end, and internal rotor, external rotor and side of valve body offer corresponding at least one group of lateral opening respectively; When internal rotor, external rotor reverse rotation, the lateral opening on the same group of internal rotor, external rotor and valve body side is intermittently connected; Described internal rotor, external rotor link to each other with the driving mechanism of timing gear control respectively.
During work, make the arbitrary end import in the opening end of lateral opening on the valve body or internal rotor, the other end is outlet, overlapped or when overlapping when moving to internal rotor, external rotor and valve body lateral opening, rotary valve promptly is in opening state, and under other states, rotary valve is in closed condition; Driving mechanism through the control of internal-combustion engine timing gear is given internal rotor and external rotor with transmission of power, make internal rotor and external rotor produce reverse rotation, make the lateral opening on the same group of internal rotor, external rotor and valve body side intermittently connect fast, when lateral opening is connected simultaneously, valve is opened, can air inlet or give vent to anger, setting by the lateral opening position, and the phase place adjustment during with the timing gear interlock, the sequential that can make lateral opening connect meets the timing of air-intake of combustion engine or exhaust, thereby makes the present invention can replace the air inlet and exhaust valve of existing internal-combustion engine.For internal-combustion engine newly developed, alternative valve valve directly uses rotary valve of the present invention in cylinder cap.Because the present invention adopts rotary valve, can reduce the vibration and the noise of internal combustion engine valve; Rotary valve can not interfere with piston when work, is convenient to implement variable phase; Internal rotor, external rotor contrary make the keying speed of rotary valve very fast to rotation, and simultaneously, the keying duration that can make rotary valve can be satisfied the requirement of internal-combustion engine to the keying duration of rotary valve fully selective in a big way.For existing internal-combustion engine, on the little basis of the variation of existing systems, promptly in existing gas handling system, valve of the present invention is set, just can make the control intake valve mechanism of existing strap cam axle become the simple variable volume intake system controlling mechanism of mechanism, briefly, the phase place that makes gas enter the gas of cylinder by the present invention exactly can be selected and be variable; Equally, in existing vent systems, valve of the present invention is set, just can make the control Exhaust valve mechanism of existing strap cam axle become the simple variable exhaust system regulation of mechanism, briefly, make the waste gas that flows out cylinder by rotary valve of the present invention exactly, the phase place that waste gas flows out can be selected and be variable.Like this, it is variable that system phase is implemented comparatively easily, thereby reduce the fuel oil consumption.The present invention can be applied on the internal-combustion engines such as diesel engine, petrol engine.
For making internal rotor, external rotor contrary to rotation, driving mechanism can be following structure: one, the driven internal gear that described driving mechanism is provided with by the respective end of a driven external gear that is connected with the closed end of internal rotor, external rotor, two homodromal active external gears that are installed in two input shaft ends are respectively formed, one of them active external gear is meshed with driven external gear, and another active external gear is meshed with driven internal gear.They are two years old, driving mechanism comprises a driven external gear that is connected with the closed end of internal rotor, the driven internal gear that the respective end of external rotor is provided with, one is installed in the active external gear of input shaft end, and initiatively external gear is meshed with driven external gear and driven internal gear respectively.During work, make the direct or indirect interlock of input shaft and timing gear, can realize the reverse rotation of internal rotor, external rotor, between input shaft and timing gear, the angular advance device can also be set, can adjust the open phase of rotary valve more easily.
For strengthening the structural strength of internal rotor and external rotor lateral opening, the lateral opening of described internal rotor and external rotor is provided with stiffening rib.
Internal rotor, external rotor and valve body lateral opening can be one group; Arbitrary end in the opening end of valve body lateral opening or internal rotor is an inlet end, and remaining an end is the outlet side.Internal rotor, external rotor and valve body lateral opening also can be many groups, equate with number of cylinders as internal rotor, external rotor and valve body lateral opening number, the opening end of internal rotor is an inlet end, each lateral opening of valve body side is the outlet side, side of valve body opening phase place is identical, internal rotor, external rotor lateral opening phase angle are staggeredly located, and when input shaft rotated, internal rotor, external rotor lateral opening and valve body lateral opening connected in turn; Above-mentioned outlet side and inlet end can exchange.Technique scheme, the gas that can make a plurality of exhaust ducts imports in the same pipeline through many group lateral openings, does not disturb between the same ducted gas or disturbs less and make to enter; Perhaps same ducted gas flow into gas in the different pipelines respectively by many groups lateral opening, makes the gas that enters a plurality of pipelines have valve timing separately; That is to say, rotary valve can be controlled the air inlet of a plurality of cylinders or give vent to anger, as the gas of an admission line, can be sent in the corresponding cylinder by rotary valve of the present invention by the timing relationship of each single cylinder of internal-combustion engine, the mechanism of rotary valve is further simplified; As the gas of an exhaust duct of boosting internal combustion engine, can be sent in the corresponding outlet pipe by rotary valve of the present invention by the energy section of exhaust, make the waste gas loss of high-energy section less.The gas of a plurality of exhaust ducts enters the rotary valve that a plurality of imports of timing relationship are arranged of the present invention respectively, import in the same pipeline, do not disturb or disturb less between the same ducted gas and make to enter, enter same ducted gas and the cylinder that gas is provided is not disturbed or disturb less thereby make; No matter import same outlet pipe as the waste gas that each cylinder initial stage is discharged, be non pressurized or boosting internal combustion engine, all can easily implement exhaust gas recirculation; For boosting internal combustion engine, also can further improve the capacity usage ratio of waste gas.
Description of drawings
Fig. 1 is a kind of structural representation of the present invention
Fig. 2 is the M-M sectional view of Fig. 1;
Fig. 3 is that the exhaust of rotary valve opens and closes phase diagram;
Fig. 4 is another structural representation of the present invention:
Fig. 5 is the M1-M1 sectional view of Fig. 4;
Fig. 6 is the M2-M2 sectional view of Fig. 4;
Fig. 7 is the Mi-Mi sectional view of Fig. 4;
Wherein, 1 internal rotor, 2 external rotors, 3 valve bodies, 4 driven external gears, 5 driven internal gears, 6,8 input shafts, 7,9 active external gears, 10,11 stiffening ribs, θ
1For rotary valve from being opened to the angle of closing; θ
2The differential seat angle of expression rotary valve and lower dead center; θ
3The differential seat angle of expression rotary valve and top dead center.
Embodiment
Embodiment 1:
As Fig. 1-2, rotary valve for a kind of internal combustion (IC) engine air-inlet-exhaust system, comprise internal rotor 1, be sleeved on the external rotor 2 on the internal rotor and be positioned at the outer valve body 3 of external rotor, internal rotor 1 hollow and end sealing, the other end is an opening end, and the side of internal rotor 1, external rotor 2 and valve body 3 offers corresponding one group of lateral opening respectively; The closed end of internal rotor 1 connects a driven external gear 4, the respective end of external rotor connects a driven internal gear 5, one is installed in the active external gear 7 of input shaft 6 ends, initiatively external gear 7 is meshed with driven external gear 4, and another is installed in input shaft 8 ends active external gear 9 and is meshed with driven internal gear 5; Initiatively external gear 7, initiatively external gear 9 rotates in the same way, thereby driven external gear 4,5 counter-rotatings of driven internal gear; Internal rotor 1 rotating speed: the rotating speed of external rotor 2: internal combustion (IC) engine camshaft rotating speed=1: 1: 1 is (for realizing the fast opening and closing of exhaust rotary valve, generally choose the internal rotor rotating speed: the rotating speed of external rotor: internal combustion (IC) engine camshaft rotating speed=1: 1: 1,2: 1: 1,3: 1: 1,4: 1: 1,5: 1: 1, for no other reason than that, satisfying under the operating angle condition of rotary valve, wish internal rotor, The faster the better for external rotor speed); The rotating speed of inside and outside rotor is big more, and it is fast more that rotary valve opens and closes speed, but rotary valve is more little from being opened to the adjustable range (duration) of cutting out; After internal rotor 1, external rotor 2 rotating speeds were determined, internal rotor 1 upper side opening angle a, external rotor 2 lateral opening angle betas had determined that rotary valve is from being opened to the angular range of cutting out; The corresponding different opening section of while rotary valve lateral opening length L; Internal rotor 1 lateral opening is provided with stiffening rib 10, the lateral opening of external rotor is provided with stiffening rib 11, be that internal rotor 1 lateral opening can be made up of stiffening rib 10 separated little lateral openings a plurality of, external rotor 1 lateral opening also is made up of stiffening rib 11 separated little lateral openings a plurality of; Between input shaft 6 and the timing gear transmission advancing device is set, is provided with advancing device between input shaft 8 and the timing gear.
During work, internal rotor, external rotor and valve body lateral opening are overlapped or when overlapping, rotary valve promptly is in opening state when moving to, and under other states, rotary valve is in closed condition; Because internal rotor and external rotor reverse rotation, the keying speed of rotary valve is the stack of internal rotor and external rotor speed, makes rotary valve can realize that big aperture also can open and close rapidly; At input mechanism advancing device can be set, advancing device is an existing products in the prior art, and its input mechanism is corresponding with the timing of internal-combustion engine, by changing output and the relative position of importing, output phase is changed, and satisfies the phase place requirement of internal-combustion engine.
Fig. 3 is that the exhaust of rotary valve opens and closes phase diagram, θ
1The expression rotary valve according to the specific requirement of internal-combustion engine, determines its numerical value from being opened to the angle of cutting out; θ
2The differential seat angle of expression rotary valve and lower dead center can dynamically be adjusted by the advancing device of driving mechanism, i.e. θ
2Numerical value changes with the variation of rotating speed and load, thereby makes the phase variable of rotary valve.θ
3The differential seat angle of expression rotary valve and top dead center is with θ
2Change synchronously.
As Fig. 4-7, rotary valve for another internal combustion (IC) engine air-inlet-exhaust system, comprise internal rotor 1, be sleeved on the external rotor 2 on the internal rotor and be positioned at the outer valve body 3 of external rotor, internal rotor 1 hollow and end sealing, the other end is an opening end, the side of internal rotor 1, external rotor 2 and valve body 3 offers corresponding i group lateral opening, i=cylinder number respectively; The closed end of internal rotor 1 connects a driven external gear 4, and the respective end of external rotor connects the active external gear 7 that a driven internal gear 5, is installed in input shaft 6 ends, and initiatively external gear 7 is meshed with driven external gear 4 and driven internal gear 5 respectively; Internal rotor 1 rotating speed: the rotating speed of external rotor 2: internal combustion (IC) engine camshaft rotating speed=3: 1: 1; The driving mechanism of present embodiment is fairly simple, but internal rotor 1 rotating speed: the rotating speed of external rotor 2: internal combustion (IC) engine camshaft rotating speed speed ratio is restricted, can only get corresponding the diminishing of keying duration range of choice of rotary valve 5: 1: 1,4: 1: 1,3: 1: 1,2: 1: 1.
During work, internal rotor, external rotor and valve body lateral opening are overlapped or when overlapping, rotary valve promptly is in opening state when moving to, and under other states, rotary valve is in closed condition; Because internal rotor and external rotor contrary are to rotation, the keying speed of rotary valve is the stack of internal rotor and external rotor speed, makes rotary valve can realize that big aperture also can open and close rapidly.Side of valve body opening phase place is identical, and internal rotor, external rotor lateral opening phase angle are staggeredly located, and when input shaft rotated, internal rotor, external rotor lateral opening and valve body lateral opening connected in turn.
Claims (7)
1, a kind of rotary valve of internal combustion (IC) engine air-inlet-exhaust system, comprise internal rotor, be sleeved on the external rotor on the internal rotor and be positioned at the outer valve body of external rotor, internal rotor hollow and end sealing, the other end is an opening end, and internal rotor, external rotor and side of valve body offer corresponding at least one group of lateral opening respectively; Described internal rotor, external rotor link to each other with the driving mechanism of timing gear control respectively; It is characterized in that: when internal rotor, external rotor reverse rotation, the lateral opening on the same group of internal rotor, external rotor and valve body side is intermittently connected.
2, the rotary valve of a kind of internal combustion (IC) engine air-inlet-exhaust system according to claim 1, it is characterized in that: the driven internal gear that described driving mechanism is provided with by the respective end of a driven external gear that is connected with the closed end of internal rotor, external rotor, two homodromal active external gears that are installed in two input shaft ends are respectively formed, one of them active external gear is meshed with driven external gear, and another active external gear is meshed with driven internal gear.
3, the rotary valve of a kind of internal combustion (IC) engine air-inlet-exhaust system according to claim 1, it is characterized in that: driving mechanism comprises a driven external gear that is connected with the closed end of internal rotor, the driven internal gear that the respective end of external rotor is provided with, one is installed in the active external gear of input shaft end, and initiatively external gear is meshed with driven external gear and driven internal gear respectively.
4, according to the rotary valve of each described a kind of internal combustion (IC) engine air-inlet-exhaust system of claim 1-3, it is characterized in that: the lateral opening of internal rotor and external rotor is provided with stiffening rib.
5, according to the rotary valve of each described a kind of internal combustion (IC) engine air-inlet-exhaust system of claim 1-3, it is characterized in that: internal rotor, external rotor and valve body lateral opening are one group; Arbitrary end in the opening end of valve body lateral opening or internal rotor is an inlet end, and remaining an end is the outlet side.
6, according to the rotary valve of each described a kind of internal combustion (IC) engine air-inlet-exhaust system of claim 1-3, it is characterized in that: internal rotor, external rotor and valve body lateral opening number equate with number of cylinders, the opening end of internal rotor is an inlet end, each lateral opening of valve body side is the outlet side, side of valve body opening phase place is identical, internal rotor, external rotor lateral opening phase angle are staggeredly located, and when input shaft rotated, internal rotor, external rotor lateral opening and valve body lateral opening connected in turn.
7, according to the rotary valve of each described a kind of internal combustion (IC) engine air-inlet-exhaust system of claim 1-3, it is characterized in that: internal rotor, external rotor and valve body lateral opening number equate with number of cylinders, the opening end of internal rotor is the outlet side, each lateral opening of valve body side is an inlet end, side of valve body opening phase place is identical, internal rotor, external rotor lateral opening phase angle are staggeredly located, and when input shaft rotated, internal rotor, external rotor lateral opening and valve body lateral opening connected in turn.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100969186A CN100449120C (en) | 2006-10-18 | 2006-10-18 | Rotary valve of IC engine air-inlet-exhaust system |
| PCT/CN2007/002922 WO2008046301A1 (en) | 2006-10-18 | 2007-10-11 | A rotary valve of an internal combustion engine intake and exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100969186A CN100449120C (en) | 2006-10-18 | 2006-10-18 | Rotary valve of IC engine air-inlet-exhaust system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1936280A CN1936280A (en) | 2007-03-28 |
| CN100449120C true CN100449120C (en) | 2009-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100969186A Expired - Fee Related CN100449120C (en) | 2006-10-18 | 2006-10-18 | Rotary valve of IC engine air-inlet-exhaust system |
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| Country | Link |
|---|---|
| CN (1) | CN100449120C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008046301A1 (en) * | 2006-10-18 | 2008-04-24 | Guohua Xie | A rotary valve of an internal combustion engine intake and exhaust system |
| CN103174490B (en) * | 2013-04-01 | 2014-10-22 | 天津大学 | Hydraulic pressure variable valve device based on rotor control |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5074265A (en) * | 1989-06-23 | 1991-12-24 | George Ristin | Rotary valve with facility for stratified combustion in the internal combustion engine |
| CN2251621Y (en) * | 1996-01-19 | 1997-04-09 | 肖忠 | Engine with rotary valve |
| US6651605B2 (en) * | 2001-04-02 | 2003-11-25 | O. Paul Trentham | Rotary valve for piston engine |
-
2006
- 2006-10-18 CN CNB2006100969186A patent/CN100449120C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5074265A (en) * | 1989-06-23 | 1991-12-24 | George Ristin | Rotary valve with facility for stratified combustion in the internal combustion engine |
| CN2251621Y (en) * | 1996-01-19 | 1997-04-09 | 肖忠 | Engine with rotary valve |
| US6651605B2 (en) * | 2001-04-02 | 2003-11-25 | O. Paul Trentham | Rotary valve for piston engine |
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| Publication number | Publication date |
|---|---|
| CN1936280A (en) | 2007-03-28 |
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