CN217735609U

CN217735609U - Rotor engine cylinder, rotor engine and rotor engine system

Info

Publication number: CN217735609U
Application number: CN202221468475.XU
Authority: CN
Inventors: 张锐; 张全明; 晏和平
Original assignee: Tongliao Hydrogen Drive Technology Co ltd
Current assignee: Nantong Xiuli Environmental Protection Technology Development Center LP
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-11-04
Anticipated expiration: 2032-06-13

Abstract

The utility model relates to a rotor engine cylinder, rotor engine and rotor engine system, including cylinder body, preceding cylinder cap and back cylinder cap, preceding cylinder cap is equipped with water inlet and return water mouth, the intake antrum intercommunication that water inlet and preceding cylinder cap were seted up, the return water chamber intercommunication that return water mouth and preceding cylinder cap were seted up, back cylinder cap has been seted up and has been converged the chamber, and intake passage and return water passageway have been seted up to the jar wall of cylinder body, and intake passage is with the intake antrum and converge the chamber intercommunication, and return water passageway is with the return water chamber and converge the chamber intercommunication, adopt the utility model discloses a cylinder cooling effect is good, has guaranteed rotor engine's normal work.

Description

Rotor engine cylinder, rotor engine and rotor engine system

Technical Field

The utility model relates to the technical field of engines, concretely relates to rotary engine cylinder, rotary engine and rotary engine system.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

Cooling of the rotary engine is particularly important due to its high speed capability. The cooling effect of the rotary engine can directly affect the stability of the operation of the engine, and the long-time high-temperature operation of the rotary engine can damage engine parts and inner rotors.

At present, a cooling water channel is arranged on a shell of a rotor engine to cool the rotor engine, for example, patent application with publication number CN112127990A discloses a multidirectional cooling device and system for the rotor engine, a front panel cooling channel, a rear panel cooling channel and a cylinder cooling channel are arranged to cool a shell of the rotor engine, and the inventor finds that when the cooling device is adopted, because the sizes of the front panel cooling channel and the rear panel cooling channel are smaller, the flow area of cooling water is smaller, the flow rate of the cooling water is smaller, and the thicknesses of the front panel plate and the rear panel are larger, the cooling effect on the front panel and the rear panel is not good, and the cooling effect of the whole rotor engine is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of above-mentioned prior art, provide a rotor engine cylinder, it is the flow and then has improved the cooling effect to have improved the cooling.

In order to realize the purpose, the utility model adopts the following technical scheme:

in a first aspect, the embodiment of the utility model provides a rotor engine cylinder, including cylinder body, preceding cylinder cap and back cylinder cap, preceding cylinder cap is equipped with water inlet and return water mouth, the intake antrum intercommunication that water inlet and preceding cylinder cap were seted up, the return water chamber intercommunication that return water mouth and preceding cylinder cap were seted up, and back cylinder cap has been seted up and has been joined the chamber, and intake passage and return water passageway have been seted up to the jar wall of cylinder body, and intake passage will intake antrum and join the chamber intercommunication, and return water passageway will return water chamber and join the chamber intercommunication.

Optionally, the cross-sectional area of the water inlet cavity is smaller than that of the water return cavity.

Optionally, the total cross-sectional area of the plurality of water inlet channels formed in the cylinder wall of the cylinder body is smaller than the total cross-sectional area of the plurality of water return channels.

Optionally, the sum of the volumes of the water inlet chamber and the water return chamber is equal to the volume of the merging chamber.

Optionally, the water inlet channel is provided in plurality, and a plurality of water inlet channels are arranged along the outer edge of the water inlet cavity.

Optionally, the number of the water return channels is multiple, and the multiple water return channels are arranged along the edge of the water return cavity.

In a second aspect, embodiments of the present invention provide a rotary engine provided with the rotary engine cylinder of the first aspect.

The third aspect, the embodiment of the utility model provides a rotor engine system is provided with the second aspect rotor engine, the water inlet and the return water mouth of preceding cylinder cap insert in the cooling water circulation system.

Optionally, the cooling water circulation system includes a water pump, an inlet of the water pump is connected to an outlet of the radiator through a pipeline, an inlet of the radiator is connected to the water return port through a pipeline, and an outlet of the water pump is connected to the water inlet through a pipeline.

Optionally, a thermostat is installed at the outlet of the water pump.

Above-mentioned the utility model has the advantages as follows:

1. the utility model discloses a rotor engine cylinder, preceding cylinder cap are equipped with intake antrum and return water chamber, and the back cylinder cap is equipped with joins the chamber for preceding cylinder cap has all formed thin-walled structure with the back cylinder cap, has increased the circulation scope of cooling water on the one hand, makes more cooling water can flow at the cylinder inner loop, and on the other hand has made things convenient for the heat dissipation of preceding cylinder cap and back cylinder cap, and then has improved the cooling effect of whole cylinder, has guaranteed the normal work of engine.

2. The utility model discloses a rotor engine cylinder, the sum of the volume of intake antrum, return water chamber equals to join the volume in chamber for the cooling water flows more stably in the cylinder, and the cross sectional area of intake antrum is less than the cross sectional area in return water chamber, inlet channel's cross sectional area is less than return water channel's cross sectional area, makes inlet pressure be greater than return water pressure, makes the cooling water can be at the inside more even flow of cylinder more fast.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a left side view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a front view of the overall structure of embodiment 1 of the present invention;

FIG. 3 is a schematic view of the distribution of a water inlet cavity and a water return cavity in a front cylinder cover in embodiment 1 of the present invention;

FIG. 4 is a schematic diagram of distribution of a collecting cavity in a rear cylinder cover in embodiment 1 of the present invention;

FIG. 5 is a schematic view of the distribution of the water inlet channel and the water return channel in the cylinder body in embodiment 1 of the present invention;

FIG. 6 is a schematic view of the water inlet flow of embodiment 1 of the present invention;

FIG. 7 is a schematic view of a water return flow in embodiment 1 of the present invention;

the water-saving cylinder comprises a front cylinder cover 1, a cylinder body 2, a rear cylinder cover 3, a water inlet 4, a water return port 5, a water inlet cavity 6, a water return cavity 7, a water inlet channel 8, a water return channel 9 and a collecting cavity 10.

Detailed Description

Example 1

This embodiment provides a rotor engine cylinder, as shown in fig. 1-5, including cylinder body 2, the one end of cylinder body 2 is equipped with preceding cylinder cap 1, and the other end is equipped with back cylinder cap 3, and cylinder body 2, preceding cylinder cap 1 and back cylinder cap 3 constitute confined cavity structure jointly, above-mentioned structure adopt current structure can, improve cylinder body 2, preceding cylinder cap 1 and back cylinder cap 3 in this embodiment, through the improvement of the cooling water circulation passageway in cylinder body 2, preceding cylinder cap 1 and back cylinder cap 3, improved the cooling effect of cylinder.

Specifically, preceding cylinder cap 1 is provided with water inlet 4 and return water mouth 5, and water inlet 4 and return water mouth 5 lie in same one side at preceding cylinder cap 1 center, and set up side by side, and water inlet 4 is used for the cooling water to flow into the cylinder, and return water mouth 5 is used for the cooling water to flow out of the cylinder.

In this embodiment, be provided with intake antrum 6 and return water chamber 7 in the preceding cylinder cap 1, wherein, intake antrum 6 and water inlet 4 intercommunication, return water chamber 7 and return water mouth 5 intercommunication, cooling water can collect in intake antrum 6 after getting into preceding cylinder cap 1 through water inlet 4, and the cooling water that the circulation was accomplished can collect the back in return water chamber 7 and then flow out by return water mouth 5.

In this embodiment, the outward flange in intake antrum 6 and return water chamber 7 is close to the outward flange setting of preceding cylinder cap 1 for preceding cylinder cap 1 forms thin-walled structure, and its wall thickness is less than the setting value, has improved preceding cylinder cap 1's heat-sinking capability on the one hand, and on the other hand, through the setting in intake antrum 6 and return water chamber 7, has increased the circulation scope of cooling water, has increased the circulation of cooling water, more is favorable to the heat dissipation of cylinder.

The cylinder wall of the cylinder body 2 is provided with a water inlet channel 8 and a water return channel 9, and the water inlet channel 8 and the water return channel 9 are arranged in parallel to the axis of the cylinder body 2. Correspondingly, the rear cylinder cover 3 of the cylinder body 2 is provided with a collecting cavity 10, one end of a water inlet channel 8 is communicated with a water inlet cavity 6, the other end of the water inlet channel is communicated with the collecting cavity 10, one end of a water return channel 9 is communicated with a water return cavity 7, the other end of the water return channel is communicated with the collecting cavity 10, cooling water in the water inlet cavity 6 can flow into the collecting cavity 10 through the water inlet channel 8, the cooling water in the collecting cavity 10 can enter the water return channel 9, and then the cooling water flows through the water return cavity 7 and is discharged from a water return port 5.

Because the rear cylinder cover 3 is provided with the collecting cavity 10, and the outer edge of the collecting cavity 10 is close to the outer edge of the rear cylinder cover 3, the rear cylinder cover forms a thin-wall structure, and the heat dissipation of the rear cylinder cover 3 is facilitated.

In this embodiment, in order to make the cylinder body can evenly dispel the heat, set up a plurality of inhalant canal 8 and a plurality of return water passageway 9, a plurality of inhalant canal 8 distribute along the outward flange of intake antrum 6, a plurality of return water passageway 9 distribute along the outward flange of return water chamber 7, and then make a plurality of inhalant canal 8 and a plurality of return water passageway 6 distribute along the whole hoop of cylinder body 2, and then make the cylinder wall of whole cylinder body 2 can cool off the heat dissipation, the cooling effect of cylinder body has been improved.

The water inlet channel 8 and the water return channel 9 are respectively distributed along the outer edges of the water inlet cavity 6 and the water return cavity 7, and correspondingly, the water inlet channel 8 and the water return channel 9 are distributed along the outer edge of the collecting cavity 10.

In order to ensure a more stable flow of cooling water in the cylinder, the sum of the volumes of the water inlet chamber 6 and the water return chamber 7 is equal to the volume of the collecting chamber 10.

In order to enable cooling water to flow more quickly and uniformly in the cylinder, the cross-sectional area of the water inlet cavity 6 perpendicular to the axis of the cylinder body is smaller than that of the water return cavity 7 perpendicular to the axis of the cylinder body, and the sizes of the water inlet cavity and the water return cavity 6 in the direction of the axis of the cylinder body are the same.

The total cross sectional area of a plurality of inhalant canal 8 is less than the total cross sectional area of a plurality of return water channels 9, adopts this kind of mode of setting for water pressure is greater than return water pressure, can let the cooling water in cylinder inside more quick more even flow, has improved the cooling effect.

In this embodiment, through intake antrum 6, return water chamber 7 and the setting that collects chamber 10 for preceding

cylinder cap

1, 3 water course cavities of back cylinder cap are bulky, can make more cooling water at cylinder internal recycle, have improved cooling capacity.

In the present embodiment, the water inlet chamber 6 and the water return chamber 7 in the front cylinder head 1, the water inlet passage 8 and the water return passage 9 in the cylinder body, the collecting chamber 10 in the rear cylinder head 3, and the like are all formed by casting, and the conventional casting method is adopted, and a detailed description thereof will not be given.

Other structures of the cylinder may be the conventional cylinder structure, and will not be described in detail herein.

As shown in fig. 6 to 7, in this embodiment, cooling flows out after sequentially flowing through the water inlet 4, the water inlet cavity 6, the water inlet channel 8, the collecting cavity 10, the water return channel 9, the water return cavity 7 and the water return port 5, so as to realize circulating cooling of the engine cylinder.

Example 2

The present embodiment provides a rotary engine, which is provided with the rotary engine cylinder described in embodiment 1, and the remaining structure of the rotary engine may be the existing structure, which will not be described in detail herein.

Example 3

The embodiment provides a rotary engine system, which comprises the rotary engine in embodiment 2, wherein a water inlet and a water return port of a cylinder of the rotary engine are connected into a cooling water circulation system.

The cooling water circulation system comprises a water pump, a radiator, a water temperature sensor, a thermostat and corresponding pipelines, and the water pump adopts an electronic water pump.

The inlet of the electronic water pump is connected with the outlet of the radiator through a pipeline, the outlet of the electronic water pump is connected with the water inlet of the front cylinder cover through a pipeline, and the inlet of the radiator is connected with the water return port of the front cylinder cover through a pipeline.

And a thermostat is also installed at the outlet of the electronic water pump and used for controlling the flow of cooling water.

The electronic water pump can pump cooling water into the water inlet cavity through the water inlet, then the cooling water sequentially enters the water inlet channel, the collecting cavity, the water return channel and the water return cavity, then flows into the radiator through the water return port to dissipate heat, so that the circulating flow of the cooling water is completed, and the cylinder of the rotor engine is cooled.

The water temperature sensor is arranged in front of the water inlet and used for detecting the temperature of cooling water entering the engine cylinder body and transmitting a signal to the engine ECU, when the temperature of the engine is low, the thermostat is used for controlling the flow of the cooling water, when the temperature of the engine is high and the thermostat is completely opened, the engine adjusts the rotating speed of the electronic water pump according to the operating condition, the flow of the cooling water is controlled, large-range adjustment of the flow of the cooling water is achieved, and the applicability is higher.

Other systems of the rotary engine may be of conventional construction and will not be described in detail herein.

Although the specific embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications or variations can be made by those skilled in the art without inventive efforts on the basis of the technical solutions of the present invention.

Claims

1. The utility model provides a rotor engine cylinder, includes cylinder body, preceding cylinder cap and back cylinder cap, its characterized in that, preceding cylinder cap is equipped with water inlet and return water mouth, and the water inlet communicates with the intake antrum that preceding cylinder cap was seted up, and the return water mouth communicates with the return water chamber that preceding cylinder cap was seted up, and back cylinder cap has seted up and has joined the chamber, and intake passage and return water passageway have been seted up to the cylinder wall of cylinder body, and intake passage will intake antrum and join the chamber intercommunication, and return water passageway will return water chamber and join the chamber intercommunication.

2. A rotary engine cylinder as defined in claim 1, wherein the cross-sectional area of the water intake chamber is smaller than the cross-sectional area of the water return chamber.

3. A rotary engine cylinder as claimed in claim 1, wherein the total cross-sectional area of the plurality of water inlet passages formed in the cylinder wall of the block is less than the total cross-sectional area of the plurality of water return passages.

4. A rotary engine cylinder as claimed in claim 1 wherein the sum of the volumes of the intake and return chambers is equal to the volume of the combining chamber.

5. A rotary engine cylinder as claimed in claim 1, wherein said inlet passages are provided in plurality, and a plurality of inlet passages are provided along an outer edge of the inlet chamber.

6. A cylinder for a rotary engine according to claim 1, wherein the water return passage is provided in plurality, and a plurality of water return passages are provided along an edge of the water return chamber.

7. A rotary engine characterised in that a rotary engine cylinder according to any one of claims 1 to 6 is provided.

8. A rotary engine system, characterized in that, the rotary engine of claim 7 is provided, and the water inlet and the water return port of the front cylinder cover are connected into the cooling water circulation system.

9. A rotary engine system according to claim 8, wherein the cooling water circulation system includes a water pump, an inlet of the water pump is connected to an outlet of the radiator through a pipe, an inlet of the radiator is connected to the water return port through a pipe, and an outlet of the water pump is connected to the water inlet through a pipe.

10. A rotary engine system according to claim 9, wherein a thermostat is mounted at the outlet of the water pump.