Improved triangular piston rotating type compression-expansion machine
A rotary compression and improved technology, applied in rotary piston engines, rotary or oscillating piston engines, mechanical equipment, etc., can solve problems such as poor sealing performance, consumption of lubricating oil, cylinder piston wear, etc., to reduce difficulty and cost, The effect of reducing friction loss and improving sealing performance
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Example Embodiment
[0032] Example 1:
[0033] An improved triangular piston rotary compressor expander, including power gears and four single-cylinder units, such as figure 2 , image 3 As shown, the four single-cylinder units are evenly arranged outside the power gear. The single-cylinder unit includes a sleeve, an outer rotor and an inner rotor located in the sleeve. The outer rotor is provided with a cavity, and the inner wall of the cavity is provided with two centrally symmetrical two A convex rib, the inner wall of the cavity between the two convex ribs is a concave inner wall, the inner rotor is located in the cavity, the outer wall of the inner rotor is provided with three convex edges, and the arc side is between the two adjacent edges. In order to reduce the defect of sliding contact between the inner rotor and the outer rotor in the prior art, a dovetail groove is arranged on the edge, and an elastic rolling component is arranged in the dovetail groove. The width of the notch of th...
Example Embodiment
[0040] Example 2:
[0041] An improved triangular piston rotary compression expander, the structure of which is as described in Embodiment 1, the difference is that the two convex ribs of the outer rotor are provided with dovetail grooves along the convex ribs, and elastic rolling components are provided in the dovetail grooves. Elastic rolling components are also provided on the two convex ribs on the inner wall of the outer rotor cavity, so that the convex ribs form rolling contact with the edges and the arcuate sidewall of the inner rotor, and the edges form elastic rolling contact with the convex ribs and the concave inner wall of the outer rotor. , to further enhance the effect of rolling contact.
Example Embodiment
[0042] Example 3:
[0043] An improved triangular piston rotary compression expander, the structure of which is as described in Embodiment 1, the difference is that elastic sealing rings are arranged between the end faces of the inner rotor, outer rotor and elastic rolling components and the rotating shaft of the outer rotor, Apply high-pressure oil to the outer sides of the elastic sealing rings at both ends respectively, and the flow direction of the high-pressure oil is as follows: Image 6 shown by the arrow in the middle. The sealing performance of the whole machine is enhanced by applying high-pressure oil to the outer sides of the elastic sealing rings at both ends respectively.
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