Title:
VEHICLE BATTERY SYSTEM
Document Type and Number:
Japanese Patent JP2019117718
Kind Code:
A
Abstract:
To provide a vehicle battery system that can suppress generation of abnormal noise.SOLUTION: A vehicle battery system including a battery cell having an exhaust gas portion for discharging internal gas includes a battery pack mounted on a vehicle and supplying power to a driving motor of the vehicle, a smoke exhaust duct 17 connected to the battery pack to exhaust gas out of the vehicle, and a check valve 30 provided in the smoke exhaust duct 17 and suppressing the flow of gas from the outside of the vehicle toward the battery pack, and the check valve 30 includes a valve seat 31 located in the smoke exhaust duct 17 and provided with a hole 33, a valve body 32 that can be seated on the valve seat 31 and cover the hole 33, and a buffer member 39 provided between the valve seat 31 and the valve body 32 and mitigating the collision of the valve body 32 to the valve seat 31.SELECTED DRAWING: Figure 4
Inventors:
OKI ATSUSHI
KATAYAMA JUNTA
KATAYAMA JUNTA
Application Number:
JP2017250782A
Publication Date:
July 18, 2019
Filing Date:
December 27, 2017
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H01M2/12; B60L50/64; F16K47/02; H01M2/10
Domestic Patent References:
| JP2017050055A | 2017-03-09 | |||
| JP2017172510A | 2017-09-28 |
Foreign References:
| WO2016203901A1 | 2016-12-22 | |||
| WO2012073438A1 | 2012-06-07 |
Attorney, Agent or Firm:
Fukami patent office