CN2846766Y - Steyr diesel engine for public transport vehicle and engineering vehicle - Google Patents
Steyr diesel engine for public transport vehicle and engineering vehicle Download PDFInfo
- Publication number
- CN2846766Y CN2846766Y CN 200520124811 CN200520124811U CN2846766Y CN 2846766 Y CN2846766 Y CN 2846766Y CN 200520124811 CN200520124811 CN 200520124811 CN 200520124811 U CN200520124811 U CN 200520124811U CN 2846766 Y CN2846766 Y CN 2846766Y
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- China
- Prior art keywords
- diesel engine
- oil
- pipe
- steyr
- pressurized machine
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Abstract
The utility model relates to a steyr diesel engine for public transport vehicles and engineering vehicles, which comprises each machine member of the original steyr diesel engine. The utility model is characterized in that a pipeline between a low pressure oil tank and a diesel filter is provided with a hand pump; an air inlet pipe of the diesel engine is connected with an air inlet bent pipe; a supercharger arranged in the middle is provided with a by-pass valve; an air inlet connecting pipe connected to an air compressor of the supercharger rotates around the central line of an air port; a sump is arranged in the back; an oil dipstick, an engine oil filling pipe, the diesel filter and a water pump are arranged in the position at the front end of an engine; a left and a right exhaust pipes are coated with heat-insulating layers; an inclination angle forms between an oil inlet pipe of the supercharger and an oil return pipe of the supercharger, and the oil inlet pipe and the oil return pipe are fixedly connected by using a pipe clamp; a high pressure oil pump is a high pressure oil pump with an equal pressure valve; a throttle extinguishing structure adopts an electromagnetic type pneumatic throttle extinguishing structure. The steyr diesel engine for public transport vehicles and engineering vehicles reduces the oil consumption by more than 15% in the work condition of low speed compared with the original steyr diesel engine, and has the advantages of torque increase, and good climbing performance, starting performance and acceleration performance.
Description
Technical field
The utility model relates to a kind of diesel engine, a kind of bus and the engineering truck steyr diesel engine of more specifically saying so.
Background technique
The steyr diesel engine is widely used in heavy-duty car, engineering machinery, boats and ships and power field because of it has international most advanced level, in use, the reliability height, good economy performance, very popular with users.But in the using process of the bus that often operates in the low speed operating mode, engineering truck, occur high oil consumption on the contrary, therefore, existing steyr diesel engine is not suitable for bus and engineering truck.
Summary of the invention
The purpose of this utility model provides a kind of fuel-efficient bus and engineering truck steyr diesel engine.
In order to realize above-mentioned purpose, bus that is provided and engineering truck steyr diesel engine, each parts that comprises former steyr diesel engine, its structural feature is on the pipeline between low-pressure reservoir and the bavin filter hand pump to be housed, be connected to intake elbow on the suction tude of diesel engine, mid-pressurized machine has bypass valve, the air inlet tube that is connected on the supercharger air compressor can rotate around the gas port center line, the oil sump postposition, dipstick, the machine oil oil filling pipe, bavin filter and water pump are installed in the front end position of motor, be coated with thermal-protective coating on left bank tracheae and the right outlet pipe, pressurized machine oil inlet pipe and pressurized machine return tube have a tilt angle, the centre is fixed together with pipe clamp, high pressure oil pump adopts the constant pressure valve high pressure oil pump, and the flame-out structure of throttle adopts the flame-out structure of the pneumatic throttle of electromagnetic type.
The angle at the above-mentioned pressurized machine oil inlet pipe and the tilt angle of pressurized machine return tube is 7 °-9 °.
As to the improvement with the steyr diesel engine of this bus and engineering truck, crank pulley is provided with six grooves, and inboard two grooves wherein are used to drive the power output that water pump and generator, four other grooves are used for air conditioner compressor of vehicle and cooling fan.
Bus provided by the utility model and engineering truck steyr diesel engine, oil sump postposition are in order to satisfy rear-engined needs; The hand pump that increases newly has made things convenient for air emptying operation in the oil pipe; Dipstick, machine oil oil filling pipe, bavin filter and water pump are installed in the front end position of motor, have made things convenient for vehicle maintenance; Air inlet tube can make things convenient for diesel engine to be connected with the pipeline of intercooler around the rotation of gas port center line; Be coated with thermal-protective coating on left bank tracheae and the right outlet pipe, reduced the hyperthermia radiation of outlet pipe, prevented that the wire harness of vehicle from contacting with high temp objects, improved safety coefficient; The tilt angle of pressurized machine oil inlet pipe and pressurized machine return tube has made things convenient for lubricant oil in time to reflux; The pneumatic throttle of constant pressure valve high pressure oil pump and the electromagnetic type structure of stopping working has made things convenient for vehicle operating to control.
Bus provided by the utility model and engineering truck steyr diesel engine, by to the choose reasonable of supercharger bypass valve diaphragm spring and the adjustment of constant pressure valve high pressure oil pump oil-supply speed, the performance index such as moment of torsion, power and oil consumption of diesel engine when the low speed operating mode are optimized adjustment.The design match point of pressurized machine is selected in below the maximum torque point, makes diesel engine when the low speed operating mode, efficiency of turbocharger height, good economy performance, the pressurized machine venting had both guaranteed the highest detonation pressure of diesel engine when high-speed working condition, had guaranteed the pressurized machine maximum speed again.
After tested, above-mentioned bus and engineering truck steyr diesel engine reduces more than 15% than former steyr engine fuel consumption under the low speed operating mode, and the moment of torsion increase, and grade climbing performance, starting performance, acceleration performance are all good.
Description of drawings
Embodiment of the present utility model is illustrated in conjunction with the accompanying drawings, wherein:
Fig. 1 is the plan view that described bus of embodiment and engineering truck are used the steyr diesel engine;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is the left view of Fig. 1.
Among the figure: 1 is air inlet tube, and 2 is pressurized machine, and 3 is alternator, and 4 is water pump, 5 is crank pulley, and 6 is hand pump, and 7 is the bavin filter, and 8 is the pressurized machine oil inlet pipe, 9 is the pressurized machine return tube, and 10 is right outlet pipe, and 11 is pipe clamp, and 12 is intake elbow, 13 is the left bank tracheae, and 14 is dipstick, and 15 is oil sump, 16 is the machine oil oil filling pipe, and 17 is the air compressor outlet pipe, and 18 is the air compressor intake pipe, 19 are the flame-out structure of throttle, and 20 is high pressure oil pump, and 21 is bypass valve.
Embodiment
With reference to accompanying drawing, described bus of embodiment and engineering truck steyr diesel engine, each parts that comprises former steyr diesel engine, its structural feature is on the pipeline between low-pressure reservoir and the bavin filter 7 hand pump 6 to be housed, be connected to intake elbow 12 on the suction tude of diesel engine, mid-pressurized machine 2 has bypass valve 21, the air inlet tube 1 that is connected on the supercharger air compressor can rotate around the gas port center line, oil sump 15 postposition, dipstick 14, machine oil oil filling pipe 16, bavin filter 7 and water pump 4 are installed in the front end position of motor, be coated with the thick thermal-protective coating of 12mm on left bank tracheae 13 and the right outlet pipe 10, pressurized machine oil inlet pipe 8 and pressurized machine return tube 9 have a tilt angle, the centre is fixed together with pipe clamp 11, the angle at the tilt angle of pressurized machine oil inlet pipe 8 and pressurized machine return tube 9 is 7 °-9 °, high pressure oil pump 20 adopts the constant pressure valve high pressure oil pump, the flame-out structure 19 of throttle adopts the flame-out structure of the pneumatic throttle of electromagnetic type, crank pulley 5 is provided with six grooves, and inboard two grooves wherein are used to drive water pump and generator, four grooves in addition are used for the power output of air conditioner compressor of vehicle and cooling fan.
Claims (3)
1, a kind of bus and engineering truck steyr diesel engine, each parts that comprises former steyr diesel engine, it is characterized in that on the pipeline between low-pressure reservoir and the bavin filter (7), hand pump (6) being housed, be connected to intake elbow (12) on the suction tude of diesel engine, mid-pressurized machine (2) has bypass valve (21), the air inlet tube (1) that is connected on the supercharger air compressor can rotate around the gas port center line, oil sump (15) postposition, dipstick (14), machine oil oil filling pipe (16), bavin filter (7) and water pump (4) are installed in the front end position of motor, be coated with thermal-protective coating on left bank tracheae (13) and the right outlet pipe (10), pressurized machine oil inlet pipe (8) and pressurized machine return tube (9) have a tilt angle, the centre is fixed together with pipe clamp (11), high pressure oil pump (20) adopts the constant pressure valve high pressure oil pump, and the throttle structure (19) of stop working adopts the pneumatic throttle of the electromagnetic type structure of stopping working.
2, bus according to claim 1 and engineering truck steyr diesel engine, the angle that it is characterized in that the tilt angle of pressurized machine oil inlet pipe (8) and pressurized machine return tube (9) are 7 °-9 °.
3, bus according to claim 1 and 2 and engineering truck steyr diesel engine is characterized in that crank pulley (5) is provided with six grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124811 CN2846766Y (en) | 2005-11-18 | 2005-11-18 | Steyr diesel engine for public transport vehicle and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520124811 CN2846766Y (en) | 2005-11-18 | 2005-11-18 | Steyr diesel engine for public transport vehicle and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2846766Y true CN2846766Y (en) | 2006-12-13 |
Family
ID=37512189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520124811 Expired - Lifetime CN2846766Y (en) | 2005-11-18 | 2005-11-18 | Steyr diesel engine for public transport vehicle and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2846766Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110832184A (en) * | 2017-07-05 | 2020-02-21 | 本田技研工业株式会社 | Peripheral structure of engine |
-
2005
- 2005-11-18 CN CN 200520124811 patent/CN2846766Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110832184A (en) * | 2017-07-05 | 2020-02-21 | 本田技研工业株式会社 | Peripheral structure of engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061213 |
|
| EXPY | Termination of patent right or utility model |