US 12,264,783 B2
Pressure vessel and motor vehicle
Lorenz Ehgartner, Ebersberg (DE); Simon Hettenkofer, Munich (DE); and Klaus Szoucsek, Zirndorf (DE)
Assigned to Bayerische Motoren Werke Aktiengesellschaft, Munich (DE)
Appl. No. 17/761,945
Filed by Bayerische Motoren Werke Aktiengesellschaft, Munich (DE)
PCT Filed Sep. 16, 2020, PCT No. PCT/EP2020/075829
§ 371(c)(1), (2) Date Mar. 18, 2022,
PCT Pub. No. WO2021/052994, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 10 2019 125 184.2 (DE), filed on Sep. 19, 2019; application No. 10 2019 125 185.0 (DE), filed on Sep. 19, 2019; and application No. 10 2019 125 186.9 (DE), filed on Sep. 19, 2019.
Prior Publication US 2022/0381403 A1, Dec. 1, 2022
Int. Cl. F16K 17/00 (2006.01); F17C 3/08 (2006.01)
CPC F17C 3/08 (2013.01) [F16K 17/003 (2013.01); F17C 2201/0104 (2013.01); F17C 2203/032 (2013.01); F17C 2203/0604 (2013.01); F17C 2205/0332 (2013.01); F17C 2221/012 (2013.01); F17C 2260/033 (2013.01); F17C 2260/042 (2013.01); F17C 2270/0168 (2013.01)] 38 Claims
OG exemplary drawing
 
1. A cryogenic pressure vessel for storing fuel in a motor vehicle, comprising:
an inner vessel having a plastics material layer;
an outer vessel; and
a barrier layer arranged at least in certain regions between the plastics material layer and an evacuated space, the barrier layer comprising a length compensation device that is configured to compensate changes in length of the inner vessel, wherein
the evacuated space is arranged at least in certain regions between the inner vessel and the outer vessel.