CN105317534A - Turbocharger structure capable of achieving single-stage supercharging and two-stage supercharging - Google Patents
Turbocharger structure capable of achieving single-stage supercharging and two-stage supercharging Download PDFInfo
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- CN105317534A CN105317534A CN201510771193.5A CN201510771193A CN105317534A CN 105317534 A CN105317534 A CN 105317534A CN 201510771193 A CN201510771193 A CN 201510771193A CN 105317534 A CN105317534 A CN 105317534A
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- gas circuit
- impeller
- control valve
- switching control
- air
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
The invention provides a turbocharger structure capable of achieving single-stage supercharging and two-stage supercharging. The turbocharger structure capable of achieving single-stage supercharging and two-stage supercharging comprises a turbine and an air compressor. The air compressor comprises an impeller A and an impeller B. The impeller A is connected with the atmosphere through an inlet air circuit I, so that air is introduced into the air compressor. A switching control valve I is connected to the rear portion of the outlet air circuit I of the impeller A, and the air circuit is divided into two branches behind the switching control valve I, one branch of the air circuit is connected with a communication air circuit I, and the other branch of the air circuit is connected with a communication air circuit II. A switching control valve II is installed on an inlet air circuit II of the impeller B and connected with two air circuits, one air circuit is connected with the communication air circuit I, and the other air circuit is connected with the atmosphere. The outlet air circuit II of the impeller B and the communication air circuit II are connected with an air inlet pipe of an internal combustion engine after being connected and converged into one air circuit, so that compressed air is supplied to the internal combustion engine. According to the turbocharger structure capable of achieving single-stage supercharging and two-stage supercharging, switching between two-stage supercharging and single-stage supercharging can be achieved, and the structural dimension of a supercharging system can be obviously reduced.
Description
Technical field
What the present invention relates to is a kind of internal-combustion engine, the specifically pressurized machine of turbocharging internal-combustion engines.
Background technique
Adopt two-step supercharging to improve efficiency of turbocharger, improve boosting internal combustion engine Economy and emission performance, therefore obtain and use widely.But present stage, generally realize this supercharging technology by a few cover pressurized machine by the connection of pipeline and valve, its shortcoming is that too much pipeline and valve can occupy a large amount of spaces.In order to save space, publication number is that the patent of CN104612983A proposes a kind of single shaft tandem type two-stage air compressor structure, but the shortcoming of this structure is to carry out two-step supercharging, and can not carry out single stage supercharging.
Summary of the invention
The object of the present invention is to provide a kind of turbocharger arrangement realizing single-stage, two-step supercharging solving switching problem between single stage supercharging and two-step supercharging.
The object of the present invention is achieved like this:
One of the present invention can realize single-stage, the turbocharger arrangement of two-step supercharging, it is characterized in that: comprise turbine, the axle of gas compressor and connection turbine and gas compressor, described axle comprises the axle A section and axle B section that are connected together, described gas compressor comprises impeller A and impeller B, impeller A is connected by axle B section with impeller B, impeller B is connected by axle A section with turbine, the import of impeller A is communicated with air by airway I, the outlet connection outlet gas circuit I of impeller A, outlet gas circuit I is connected to switching control valve I, after switching control valve I, gas circuit is divided into two-way, the first via is connected with connection gas circuit I, second tunnel is connected with connection gas circuit II, the import of impeller B connects airway II, airway II is connected to switching control valve II, switching control valve II communicates with connection gas circuit I and air respectively, the outlet gas circuit II of impeller B be connected with connection gas circuit II converge into a gas circuit after be connected with the suction tude of internal-combustion engine.
The present invention can also comprise:
1, described switching control valve I has two states, that is: the first state of switching control valve I is, outlet gas circuit I be communicated with gas circuit I and be connected, simultaneously outlet gas circuit I be communicated with gas circuit II and disconnect; Switching control valve I the second state is, outlet gas circuit I be communicated with gas circuit II and be connected, simultaneously outlet gas circuit I be communicated with gas circuit I and disconnect.
2, described switching control valve II has two states, that is: the first state of switching control valve II is, airway II is connected with connection gas circuit I, and airway and air disconnect simultaneously; Switching control valve II the second state is that airway is connected with air, simultaneously airway II be communicated with gas circuit I and disconnect.
Advantage of the present invention is: the present invention proposes a kind of novel turbocharger arrangement, this structure is by the on off state of switching control valve I 5, switching control valve II 4, two impellers are switched between series operation and parallel operation, the switching of two-step supercharging and single stage supercharging can be realized, obviously can reduce the physical dimension of pressurization system.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is supercharger air compressor inner connecting structure figure under two-step supercharging state;
Fig. 3 is supercharger air compressor inner connecting structure figure under single stage supercharging state.
Embodiment
Below in conjunction with accompanying drawing citing, the present invention is described in more detail:
Composition graphs 1 ~ 3, pressurized machine of the present invention comprises: turbine 1, gas compressor 6 and axle A section 8.
In the present invention, air compressor structure is improved on the basis of original gas compressor, described gas compressor 6 structure comprise for: airway I 04, impeller A 3, outlet gas circuit I 07, switching control valve I 5, be communicated with gas circuit I 03, be communicated with gas circuit II 08, switching control valve II 4, airway II 06, impeller B2, be communicated with gas circuit II 08 and be connected and outlet gas circuit II 05.
The axle of pressurized machine is two sections: axle A section 8 and axle B section 9, due to two sections of axles on a shaft, so turbine 1, impeller B2, the rotational speed of impeller A 3 is identical.
Described turbine 1 is connected with the outlet pipe of internal-combustion engine by airway III 02, and waste gas is introduced turbine acting, by outlet gas circuit III 01 combustion gas.
Described impeller B2 and the size of impeller A 3 can be determined according to actual conditions, adopt two identical gas compressor compositions in the present invention.
Described impeller A 3 is connected with air by airway I 04, introduces air to gas compressor inside; After the outlet gas circuit I 07 of impeller A 3, be connected to switching control valve I 5, after switching control valve I 5, gas circuit is divided into two-way: wherein a gas circuit is connected with connection gas circuit I 03, and another gas circuit is connected with connection gas circuit II 08.
The airway II 06 of described impeller B2 is equipped with switching control valve II 4, and switching control valve II 4 is connected with two gas circuits respectively: wherein one is connected with connection gas circuit I 03; Another gas circuit is connected with air.
After the outlet gas circuit II 05 of described impeller B2 is connected with connection gas circuit II 08 and converges into a gas circuit, be connected with the suction tude of internal-combustion engine, provide pressurized air to internal-combustion engine.
The function of described switching control valve I 5 is be communicated with according to signal behavior, disconnect gas circuit, and its Placement is: state I, and outlet gas circuit I 07 is connected with connection gas circuit I 03, then now outlet gas circuit I 07 be communicated with gas circuit II 08 and disconnect; State II, is connected outlet gas circuit I 07 with connection gas circuit II 08, then now export gas circuit I 07 and be communicated with gas circuit I 03 and disconnect.
The function of described switching control valve II 4 is according to signal behavior connection, disconnects gas circuit, and its Placement is: state I, and airway II 06 is connected with connection gas circuit I 03, then now airway II 06 and air disconnect; State II, is communicated with airway II 06 with air, then now airway II 06 be communicated with gas circuit I 03 and disconnect.
Described airway I 04 is the intake duct part before compressor impeller A3, outlet gas circuit I 07 is that impeller 21 exports to the air path part reached between switching control valve I 5, connection gas circuit II 08 is the runner in spiral case I 23, connection gas circuit I 03 is the air path part between switching control valve I 5 and switching control valve II 4, airway II 06 is the intake duct part between switching control valve II 4 and impeller B2 leading edge, outlet gas circuit II 05 for impeller B2 export to spiral case II 24 outlet between air path part.The outlet of spiral case I 23 and spiral case II 24 is coupled together by tracheae, and is together connected to the suction tude place of internal-combustion engine.
When described switching control valve I 5, switching control valve II 4 are all in state I, then this turbosupercharger is in two-step supercharging state; When described switching control valve I 5, switching control valve II 4 are all in state II, then this turbosupercharger is in single stage supercharging state.
When described switching control valve I 5, switching control valve II 4 are all in state I, under pressurized machine of the present invention is in two-step supercharging state, now exports gas circuit I 07 and be communicated with gas circuit I 03 and be communicated with and be connected gas circuit I 03 and be connected with airway II 06.The flow process of gas in gas compressor is: the gas in environment flow in the impeller A 3 of gas compressor by airway I 04, impeller A 3 pairs of air works, gas flows out in outlet gas circuit I 07 from impeller A 3, then impeller B2 is entered into by connection gas circuit I 03, airway II 06, impeller B2 carries out second time acting to air-flow, air-flow goes out to outlet gas circuit II 05 from impeller B2, then flows out gas compressor.In the process, air-flow does work through two impellers, completes the process of two-step supercharging.
When described switching control valve I 5, switching control valve II 4 are all in state II, under pressurized machine of the present invention is in single stage supercharging state, now exports gas circuit I 07 and be communicated with gas circuit II 08 and be communicated with and airway II 06 is connected with atmosphere environment.The flow process of gas in gas compressor is: the gas in environment is divided into two-way and enters gas compressor, and (1) flow in impeller B2 by airway I 04, and impeller B2 is to air work, and gas flows out to and is communicated with in gas circuit II 08 from impeller B2; (2) gas in environment enters into impeller A 3 by airway II 06, and impeller A 3 pairs of air-flow actings, air-flow flows out to outlet gas circuit II 05 from impeller A 3, then flows out gas compressor.Two-way air-flow outlet gas circuit II 05 be communicated with gas circuit II 08 joint and synthesize a road air-flow, finally enter intake lines of combustion engines.In the process, air-flow does work respectively through two impellers, completes the process of single stage supercharging.
Claims (3)
1. one kind can realize single-stage, the turbocharger arrangement of two-step supercharging, it is characterized in that: comprise turbine, the axle of gas compressor and connection turbine and gas compressor, described axle comprises the axle A section and axle B section that are connected together, described gas compressor comprises impeller A and impeller B, impeller A is connected by axle B section with impeller B, impeller B is connected by axle A section with turbine, the import of impeller A is communicated with air by airway I, the outlet connection outlet gas circuit I of impeller A, outlet gas circuit I is connected to switching control valve I, after switching control valve I, gas circuit is divided into two-way, the first via is connected with connection gas circuit I, second tunnel is connected with connection gas circuit II, the import of impeller B connects airway II, airway II is connected to switching control valve II, switching control valve II communicates with connection gas circuit I and air respectively, the outlet gas circuit II of impeller B be connected with connection gas circuit II converge into a gas circuit after be connected with the suction tude of internal-combustion engine.
2. a kind of turbocharger arrangement realizing single-stage, two-step supercharging according to claim 1, it is characterized in that: described switching control valve I has two states, that is: the first state of switching control valve I is, outlet gas circuit I be communicated with gas circuit I and be connected, simultaneously outlet gas circuit I be communicated with gas circuit II and disconnect; Switching control valve I the second state is, outlet gas circuit I be communicated with gas circuit II and be connected, simultaneously outlet gas circuit I be communicated with gas circuit I and disconnect.
3. a kind of turbocharger arrangement realizing single-stage, two-step supercharging according to claim 1 and 2, it is characterized in that: described switching control valve II has two states, that is: the first state of switching control valve II is, airway II is connected with connection gas circuit I, and airway and air disconnect simultaneously; Switching control valve II the second state is that airway is connected with air, simultaneously airway II be communicated with gas circuit I and disconnect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771193.5A CN105317534A (en) | 2015-11-12 | 2015-11-12 | Turbocharger structure capable of achieving single-stage supercharging and two-stage supercharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771193.5A CN105317534A (en) | 2015-11-12 | 2015-11-12 | Turbocharger structure capable of achieving single-stage supercharging and two-stage supercharging |
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| CN105317534A true CN105317534A (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510771193.5A Pending CN105317534A (en) | 2015-11-12 | 2015-11-12 | Turbocharger structure capable of achieving single-stage supercharging and two-stage supercharging |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213415U (en) * | 1987-09-17 | 1988-08-10 | 空军油料研究所 | Series/parallel self-priming type centrifugal pump |
| US6293103B1 (en) * | 2000-09-21 | 2001-09-25 | Caterpillar Inc. | Turbocharger system to inhibit reduced pressure in intake manifold |
| CN102400777A (en) * | 2011-11-03 | 2012-04-04 | 上海交通大学 | Single-vortex double-air compressor turbine pressurizing system with air escape valves |
| CN102400778A (en) * | 2011-11-03 | 2012-04-04 | 上海交通大学 | Serial-parallel adjustable single-vortex double-pressure turbocharging system |
| CN102418593A (en) * | 2011-11-03 | 2012-04-18 | 上海交通大学 | Single-vortex double-pressure turbocharging system |
| CN202391559U (en) * | 2011-11-03 | 2012-08-22 | 上海交通大学 | Single-vortex double-pressure turbocharging system with low pressure exhaust recirculation |
| CN205206950U (en) * | 2015-11-12 | 2016-05-04 | 哈尔滨工程大学 | Can realize turbo charger structure of single -stage, two -stage pressure boost |
-
2015
- 2015-11-12 CN CN201510771193.5A patent/CN105317534A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213415U (en) * | 1987-09-17 | 1988-08-10 | 空军油料研究所 | Series/parallel self-priming type centrifugal pump |
| US6293103B1 (en) * | 2000-09-21 | 2001-09-25 | Caterpillar Inc. | Turbocharger system to inhibit reduced pressure in intake manifold |
| CN102400777A (en) * | 2011-11-03 | 2012-04-04 | 上海交通大学 | Single-vortex double-air compressor turbine pressurizing system with air escape valves |
| CN102400778A (en) * | 2011-11-03 | 2012-04-04 | 上海交通大学 | Serial-parallel adjustable single-vortex double-pressure turbocharging system |
| CN102418593A (en) * | 2011-11-03 | 2012-04-18 | 上海交通大学 | Single-vortex double-pressure turbocharging system |
| CN202391559U (en) * | 2011-11-03 | 2012-08-22 | 上海交通大学 | Single-vortex double-pressure turbocharging system with low pressure exhaust recirculation |
| CN205206950U (en) * | 2015-11-12 | 2016-05-04 | 哈尔滨工程大学 | Can realize turbo charger structure of single -stage, two -stage pressure boost |
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Application publication date: 20160210 |
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