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US 8,026,642 B2Granted
Driving apparatus and vehicle including driving apparatus
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsYutaka Hotta, Takeshi Yamazaki
Life of this patent
Estimating the term…
Abstract
A driving apparatus includes a rotating electrical machine; an inverter capable of supplying electric power to the rotating electrical machine; a containing case; a coolant circuit distributing coolant capable of cooling the inverter and the rotating electrical machine; a cooling mechanism, which is provided in the coolant circuit, is contained in the containing case, and is capable of cooling the rotating electrical machine and the inverter; and a supplying pipe capable of supplying the cooling mechanism with the coolant circulating in the cooling circuit.
Claims6
A driving apparatus installed in a vehicle, comprising:
- a rotating electrical machine;
- an electronic device capable of supplying electric power to said rotating electrical machine;
- a containing case capable of containing said electronic device and said rotating electrical machine;
- a coolant circuit distributing coolant capable of cooling said electronic device and said rotating electrical machine;
- a cooling mechanism, which is provided in said coolant circuit, is contained in said containing case, and is capable of cooling said rotating electrical machine and said electronic device;
- and
- a supplying pipe, which is connected to said cooling mechanism, and is capable of supplying said cooling mechanism with said coolant circulating in said coolant circuit,
- a connecting portion for said cooling mechanism and said supplying pipe being provided at an outer surface of said containing case,
- said supplying pipe extending from said connecting portion toward a front side of said vehicle,
- said electronic device being positioned lateral to said rotating electrical machine,
- said coolant circuit having a pipe path extending between said rotating electrical machine and said electronic device and extending from an upper surface side to a lower surface side of said containing case.
8 more elements
A driving apparatus installed in a vehicle, comprising:
- a rotating electrical machine;
- an electronic device capable of supplying electric power to said rotating electrical machine;
- a containing case capable of containing said electronic device and said rotating electrical machine;
- a coolant circuit distributing coolant capable of cooling said electronic device and said rotating electrical machine;
- a cooling mechanism, which is provided in said coolant circuit, is contained in said containing case, and is capable of cooling said rotating electrical machine and said electronic device;
- and
- a supplying pipe, which is provided at an outer surface of said containing case, extends from a connecting portion for said cooling mechanism and said supplying pipe toward a front side of said vehicle, is connected to said cooling mechanism, and is capable of supplying said cooling mechanism with said coolant circulating in said coolant circuit,
- said driving apparatus further comprising a connection pipe connected to said supplying pipe and having an elastic modulus smaller than that of said supplying pipe, and a fixing member provided in said containing case and capable of fixing said connection pipe to said containing case.
5 more elements
A driving apparatus installed in a vehicle, comprising:
- a rotating electrical machine;
- an electronic device capable of supplying electric power to said rotating electrical machine;
- a containing case capable of containing said electronic device and said rotating electrical machine;
- a coolant circuit distributing coolant capable of cooling said electronic device and said rotating electrical machine;
- a cooling mechanism, which is provided in said coolant circuit, is contained in said containing case, and is capable of cooling said rotating electrical machine and said electronic device;
- and
- a supplying pipe, which is provided at an outer surface of said containing case, extends from a connecting portion for said cooling mechanism and said supplying pipe toward a front side of said vehicle, is connected to said cooling mechanism, and is capable of supplying said cooling mechanism with said coolant circulating in said coolant circuit,
- said coolant circuit including an outlet, which is formed at the outer surface of said containing case and allows said coolant in said cooling mechanism to get out therefrom,
- said supplying pipe having a thickness smaller than a thickness of said containing case that defines said outlet.
6 more elements
Dependencies are inferred from the claim text.