RANKINE CYCLE SYSTEM
First Claim
1. A Rankine cycle system, comprising:
- a boiler that boils a liquid-phase heat medium by waste heat of an internal combustion engine to change the liquid-phase heat medium into a gas-phase heat medium;
a superheater that superheats a gas-phase heat medium discharged from the boiler by heat exchange with exhaust gas of the internal combustion engine;
a turbine that rotates by receiving supply of a gas-phase heat medium passing through the superheater;
a condenser that condenses a gas-phase heat medium passing through the turbine and returns the gas-phase heat medium to a liquid-phase heat medium;
a control valve that is provided between the turbine and the condenser;
a power transmission pathway that transmits rotation of the turbine to an output shaft of the internal combustion engine;
a clutch mechanism that connects or disconnects the power transmission pathway; and
a controller that is configured to operate the control valve in a closing direction, when the power transmission pathway is disconnected by an action of the clutch mechanism.
1 Assignment
0 Petitions
Accused Products
Abstract
In a Rankine cycle system, a part of a liquid-phase heat medium that boils in a heat medium passage of an engine changes to a gas-phase heat medium. The gas-phase heat medium is superheated by a superheater that superheats by heat exchange with exhaust gas of the engine to be superheated steam. The superheated steam that passes through the superheater is blown to a turbine to rotate the turbine, and thereafter is condensed in a condenser. The turbine is connected to an output shaft of the engine by a power transmission pathway, and the power transmission pathway is provided with a clutch mechanism. A turbine outlet valve is provided between the turbine and the condenser, and an ECU closes the turbine outlet valve when the power transmission pathway is disconnected by an action of the clutch mechanism.
-
Citations
5 Claims
-
1. A Rankine cycle system, comprising:
-
a boiler that boils a liquid-phase heat medium by waste heat of an internal combustion engine to change the liquid-phase heat medium into a gas-phase heat medium; a superheater that superheats a gas-phase heat medium discharged from the boiler by heat exchange with exhaust gas of the internal combustion engine; a turbine that rotates by receiving supply of a gas-phase heat medium passing through the superheater; a condenser that condenses a gas-phase heat medium passing through the turbine and returns the gas-phase heat medium to a liquid-phase heat medium; a control valve that is provided between the turbine and the condenser; a power transmission pathway that transmits rotation of the turbine to an output shaft of the internal combustion engine; a clutch mechanism that connects or disconnects the power transmission pathway; and a controller that is configured to operate the control valve in a closing direction, when the power transmission pathway is disconnected by an action of the clutch mechanism. - View Dependent Claims (2, 3, 4, 5)
-
Specification