POWER GENERATION DEVICE

PROBLEM TO BE SOLVED: To provide a power generation device capable of reducing mechanical loss of a sliding portion and loss by wetting of an adjacent expansion space, and improving cycle efficiency, in the power generation device using a displacement power recovery machine.SOLUTION: In a power gene...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: TOKUOKA YUKI, ONO TAISUKE
Format: Patent
Sprache:eng ; jpn
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a power generation device capable of reducing mechanical loss of a sliding portion and loss by wetting of an adjacent expansion space, and improving cycle efficiency, in the power generation device using a displacement power recovery machine.SOLUTION: In a power generation device 1 using a heat cycle, a gas-liquid separator 20 is disposed at a downstream side of an evaporator 2, a gas phase part of the gas-liquid separator 20 is connected to a gas supply passage 11 at an upstream side of a scroll expander 3, a liquid phase part is connected to a bypass passage 13 bypassing to a gas discharge passage 12 at a downstream side of the scroll expander 3, an expansion valve 6 is disposed in the bypass passage 13, and a branch passage 13a for allowing a part of liquid phase working fluid flowing in the bypass passage 13 to flow to the gas supply passage 11 at the upstream side of the scroll expander 3, is disposed between the bypass passage 13 at the upstream side with respect to the expansion valve 6 and the gas discharge passage 11 at the upstream side of the scroll expander 3.SELECTED DRAWING: Figure 1 【課題】容積型の動力回収機を用いた動力発生装置において、摺動部の機械損失と隣り合う膨張室間の濡れによる損失を低減し、サイクル効率の向上を図ることができる動力発生装置を提供する。【解決手段】熱サイクルを用いた動力発生装置1であって、蒸発器2の下流側に気液分離器20が設けられ、当該気液分離器20の気相部分は、スクロール膨張機3の上流側のガス供給経路11と接続され、液相部分は、スクロール膨張機3の下流側のガス排出経路12へとバイパスするバイパス経路13と接続され、当該バイパス経路13には膨張弁6が設けられ、この膨張弁6よりも上流側のバイパス経路13とスクロール膨張機3の上流側のガス排出経路11との間には、バイパス経路13を流れる液相の作動流体の一部をスクロール膨張機3の上流側のガス供給経路11へと流す分岐経路13aが設けられたものである。【選択図】図1