CN2908831Y - Fuel oil preheating device of IC engine - Google Patents
Fuel oil preheating device of IC engine Download PDFInfo
- Publication number
- CN2908831Y CN2908831Y CN 200620005304 CN200620005304U CN2908831Y CN 2908831 Y CN2908831 Y CN 2908831Y CN 200620005304 CN200620005304 CN 200620005304 CN 200620005304 U CN200620005304 U CN 200620005304U CN 2908831 Y CN2908831 Y CN 2908831Y
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- CN
- China
- Prior art keywords
- fuel
- temperature
- combustion engine
- pipe
- oil
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- 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.)
- Expired - Fee Related
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Abstract
An oil heating device of an internal combustion engine is disclosed by the utility model, which comprises an oil supply pipe and a preheating pipe. The preheating pipe intersects an off-gas manifold on the internal combustion engine in the middle. Front end and back end of the preheating pipe are connected with the oil supply pipe in series. Back end of the preheating pipe is provided with a temperature controller consisting of a temperature control switch, an electromagnetic valve, a T-joint and a cooling oil return pipe. If oil temperature is too high, fuel oil returns to a tank partially through the cooling pipe thereby to increase flow speed of fuel oil in the preheating pipe and prevent oil temperature from being too high.
Description
One, technical field
The utility model belongs to field of internal combustion engine, relates to a kind of fuel of internal combustion engine Preheating unit.
Two, background technique
A kind of " the fuel-firing preheating device of internal-combustion engine " disclosed in CN2454547y, its formation comprises fuel feed pipe and fuel delivery heating pipe, wherein the middle part of fuel delivery heating pipe is run through among the tail gas manifold that is arranged on the internal-combustion engine, and the two ends and the fuel feed pipe of fuel delivery heating pipe are connected in series.For guaranteeing internal-combustion engine proper functioning under hot environment, on the fuel delivery heating pipe that stretches out tail gas manifold two ends, pass through external fuel delivery side pipe of three-way valve cross-over connection respectively, when not needing heated fuel oil, make fuel oil pass through the circulation of fuel delivery side pipe by adjusting three-way valve.Its defective is that fuel oil temperature is uncontrollable, when fuel oil by fuel delivery side pipe when circulation, it is easily aging even scrap that the fuel delivery heating pipe is in empty burning situation, heating pipe.
Three, summary of the invention
At the deficiency of above-mentioned prior art, the utility model provides a kind of fuel oil temperature controlled, and economizer bank is difficult for aging fuel of internal combustion engine Preheating unit.Fuel of internal combustion engine Preheating unit of the present utility model, comprise fuel supply line and economizer bank, wherein the middle part of economizer bank is run through among the tail gas manifold that is arranged on the internal-combustion engine, the front and back ends of economizer bank is connected in series with fuel supply line respectively, be provided with the temperature controller of being made up of temperature detect switch (TDS), solenoid valve, threeway and cooling return tube in the rear end of economizer bank, wherein lower the temperature return tube and economizer bank are connected in parallel.
Above-mentioned economizer bank and cooling return tube can be selected copper tube earlier and make.
Above-mentioned cooling return tube pipe thickness is the 0.5-1.5 millimeter.
The utility model is because of being provided with the temperature controller of being made up of temperature detect switch (TDS), solenoid valve, threeway and cooling return tube, when the oil temperature surpasses the fuel-economizing optimum temperature, can be by temperature detect switch (TDS) and solenoid valve, the part fuel oil is flow back in the fuel tank by the cooling oil pipe, have simple in structure, cost is low, characteristics that can temperature control.
Four, description of drawings:
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Fig. 1 executes the structural representation of example for the utility model.
Fig. 2 is that the utility model embodiment is installed on the Placement schematic representation on the internal-combustion engine.
Five, embodiment:
With reference to Fig. 1, present embodiment comprises fuel supply line 1 and economizer bank 2, wherein the middle part of economizer bank 2 is run through among the offgas duct 3 that is arranged on the internal-combustion engine, the front and back ends of economizer bank 2 is connected in series with fuel supply line 1 respectively, be provided with the temperature controller of being made up of temperature detect switch (TDS) 4, solenoid valve 5, threeway 6 and cooling return tube 7 in the rear end of economizer bank 2, the return tube 7 of wherein lowering the temperature is connected in parallel with economizer bank 2 back segments.Aforesaid economizer bank 2 and cooling return tube 7 can select copper tube to make, to improve its heat-conducting property; The pipe thickness of cooling return tube 7 is the 0.5-1.5 millimeter.
With reference to Fig. 2, the utility model is connected in series in the fuel delivery line of internal-combustion engine, oil pump 10 begins pump oil from fuel tank 9 when internal combustion engine, fuel oil enters the preheating oil pipe 2 that is located in the tail gas manifold 3 through filter cleaner 11 and fuel supply line 1, the high-temperature tail gas that each cylinder of internal-combustion engine is discharged converges the back by tail gas manifold 3 and derives venting by outlet pipe 8, high-temperature tail gas was washing away the fuel oil that flows in the economizer bank 2 in tail gas manifold 3 before outlet pipe is derived, if the fuel oil temperature after the heating is in limited range then enter work by combustion in the internal-combustion engine, if the oil temperature is too high, then by temperature detect switch (TDS) 4 and solenoid valve 5, the part fuel oil is flow back in the fuel tank 9 by cooling pipe 7, thereby accelerated the flow velocity of economizer bank 2 intermediate fuel oils, made oily temperature be unlikely to too high.
Claims (3)
1, a kind of fuel of internal combustion engine Preheating unit, comprise fuel supply line (1) and economizer bank (2), wherein send the middle part of economizer bank (2) to run through among the offgas duct (3) that is arranged on the internal-combustion engine, the forward and backward of economizer bank is connected in series with fuel supply line (1) respectively, it is characterized in that being provided with the temperature controller of being made up of temperature detect switch (TDS) (4), solenoid valve (5), threeway (6) and cooling return tube (7) in the rear end of economizer bank, the return tube (7) of wherein lowering the temperature also connects with the economizer bank back segment.
2, fuel of internal combustion engine Preheating unit as claimed in claim 1 is characterized in that economizer bank (2) and the return tube (7) of lowering the temperature is made by copper tube.
3, fuel of internal combustion engine Preheating unit as claimed in claim 1 or 2, the pipe thickness of the return tube (7) that it is characterized in that lowering the temperature is the 0.5-1.5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620005304 CN2908831Y (en) | 2006-01-24 | 2006-01-24 | Fuel oil preheating device of IC engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620005304 CN2908831Y (en) | 2006-01-24 | 2006-01-24 | Fuel oil preheating device of IC engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2908831Y true CN2908831Y (en) | 2007-06-06 |
Family
ID=38128040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620005304 Expired - Fee Related CN2908831Y (en) | 2006-01-24 | 2006-01-24 | Fuel oil preheating device of IC engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2908831Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211760A (en) * | 2020-10-19 | 2021-01-12 | 盐城博尔福机电科技发展有限公司 | Fuel oil heating device for ultralow temperature starting of gasoline engine |
-
2006
- 2006-01-24 CN CN 200620005304 patent/CN2908831Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211760A (en) * | 2020-10-19 | 2021-01-12 | 盐城博尔福机电科技发展有限公司 | Fuel oil heating device for ultralow temperature starting of gasoline engine |
| CN112211760B (en) * | 2020-10-19 | 2022-04-22 | 盐城博尔福机电科技发展有限公司 | Fuel oil heating device for ultralow temperature starting of gasoline engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |