Loading patent…
AssigneeRobert Bosch GmbH
InventorsThomas Riedel-Rink, Derya Lindenmeier, Markus Viereck
Estimating the term…
The invention relates to an exhaust heat recovery system having a working fluid circuit (1) carrying a working fluid, having a heat exchanger (2) which is connected in an exhaust line (3) of an internal combustion engine (5) and which is a part of the working fluid circuit (1) together with at least one expansion machine (11), a condenser (12), and a fluid pump (15). The aim of the invention is to provide an exhaust heat recovery system, which is improved with respect to known systems. This is achieved in that the exhaust heat recovery system has a device (27) for avoiding damage to the expansion machine (11) that is caused by liquid components of the working fluid. The device (11) is, for example, a container (21), a calming container (28, 28a), a line section (36) or a filter (26), or the device (11) has at least one such component.
An exhaust heat recovery system having a working fluid circuit (1) carrying a working fluid, comprising at least one heat exchanger (2) which is connected in an exhaust gas line (3) of an internal combustion engine (5) and which is a part of the working fluid circuit (1) together with at least one expansion machine (11), a condenser (12), and at least one fluid pump (15), characterized in that the exhaust heat recovery system comprises a device (27) for avoiding damage to the expansion machine (11) caused by liquid components of the working fluid.
A method for operating an exhaust heat recovery system having a working fluid circuit (1) carrying a working fluid, the exhaust heat recovery system comprising at least one heat exchanger (2) which is connected in an exhaust gas line (3) of an internal combustion engine (5) and which is a part of the working fluid circuit (1) together with at least one expansion machine (11), a condenser (12), and at least one fluid pump (15), of the method comprising using a device (27) to separate liquid components from the working fluid and/or to render harmless the liquid components so as to exclude damage to the expansion machine (11) from the liquid components.
The exhaust heat recovery system as claimed in claim 19, characterized in that a magnet (37) is arranged on the outside of the line portion (36) such that the magnet (37) separates electrically charged fluid droplets (25) out of the working fluid flowing through the line portion (36).
Dependencies are inferred from the claim text.