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Two-stage rolling rotor-type expander

A rolling rotor type and expander technology, which is applied in the direction of machines/engines, combined engines, rotary piston engines, etc., can solve problems such as the decrease of expander efficiency, reduce flow loss, reduce length and volume, and improve expansion efficiency Effect

Active Publication Date: 2010-07-07
SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, if figure 1 As shown, the first suction port 113 and the second exhaust port 124 communicate with each other via the first cavity 116, the first exhaust port 114, the connecting hole 10, the second suction port 123 and the second cavity 126, As a result, the through-through phenomenon of the two-stage rolling rotor expander occurs, causing the fluid on the high-pressure side to flow directly into the low-pressure side through the through-passage without expansion, resulting in a decrease in the efficiency of the expander

Method used

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  • Two-stage rolling rotor-type expander
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  • Two-stage rolling rotor-type expander

Examples

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Embodiment Construction

[0015] figure 2 shows a two-stage rolling rotor expander according to a first embodiment of the invention, image 3 The crankshaft in this two-stage rolling rotor expander is shown. The two-stage rolling rotor expander includes a first expansion unit 21 , a second expansion unit 22 , an intermediate plate between the first and second expansion units, and a crankshaft 31 shared by the first and second expansion units.

[0016] The first expansion unit 21 includes a first cylinder 211 with a first suction port 213 and a first exhaust port 214 , a first piston 212 , and an angle between the first suction port 213 and the first exhaust port 214 . The first blade 215 in. The first cylinder 211 and the first piston 212 define a first cavity 216 . The second expansion unit 22 includes a second cylinder 221 having a second suction port 223 and a second exhaust port 224 , a second piston 222 , and a The second blade 225 in. The second cylinder 221 and the second piston 222 define...

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Abstract

The invention discloses a two-stage rolling rotor-type expander which comprises an expansion switch and a second expansion unit, wherein the angle between a first air suction port and a first vent hole is Alpha, and the angle between a second air suction port and a second vent hole is Beta; the angle between a first eccentric part and a second eccentric part can be adjusted, so that when the first eccentric part rotates within the range of Alpha, the second eccentric part leaves the range of Beta, so as to prevent the communication of the first air suction port and the second vent hole.

Description

technical field [0001] The invention relates to a two-stage rolling rotor expander. Background technique [0002] figure 1 It is a schematic diagram of the working principle of the existing two-stage rolling rotor expander. The two-stage rolling rotor expander includes two expansion units, namely a first expansion unit 11 and a second expansion unit 12 . The first expansion unit 11 includes a first cylinder 111 , a first piston 112 , a first suction port 113 , a first exhaust port 114 and a first vane 115 . The second expansion unit 12 includes a second cylinder 121 , a second piston 122 , a second suction port 123 , a second exhaust port 124 and a second vane 125 . The first cylinder 111 and the first piston 112 define a first chamber 116 , and the first vane 115 can divide the first chamber 116 into a first suction chamber and a first exhaust chamber. The second cylinder 121 and the second piston 122 define a second chamber 126 , and the second vane 125 can divide the ...

Claims

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Application Information

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IPC IPC(8): F01C1/356F01C11/00
Inventor 张龙杨军李浩源
Owner SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
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