Patent ID: 8087246

Claim:
A temperature fluctuation suppressing device for a heating medium provided on a heating medium supply passage for supplying a liquid heating medium to a heat exchanging device, which comprises a heating medium mixer for mixing the heating medium, said heating medium mixer comprising: a heating medium passage forming member having plural heating medium passages; an inlet member allowing the heating medium to flow into said heating medium passage forming member from said heating medium supply passage; and an outlet member allowing the heating medium to flow out of said heating medium passage forming member to said heating medium supply passage, said outlet member being provided separately from said inlet member, whereby the heating medium continuously flowing into said heating medium passage forming member through said inlet member passes through said plural heating medium passages with time-lags to form respective streams, which are then joined together before flowing out through said outlet member, wherein: said heating medium passage forming member comprises a first container defining therein plural cells each forming a respective one of said heating medium passages; each of said cells has an inlet and an outlet for the heating medium; said inlet member comprises branch portions branched off from said heating medium supply passage which are each connected to a respective one of said inlets of said cells; said outlet member unifies said outlets of said cells and is connected to said heating medium supply passage; and said branch portions of said inlet member are each provided with a flow control device which is capable of adjusting a flow rate of the heating medium.