US 12,152,601 B2
Turbo fluid machine
Yuki Okano, Aichi (JP); Hiroshi Saito, Aichi (JP); and Yuki Endo, Aichi (JP)
Assigned to KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Aichi (JP)
Filed by KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Aichi (JP)
Filed on Nov. 17, 2022, as Appl. No. 17/989,058.
Claims priority of application No. 2021-193795 (JP), filed on Nov. 30, 2021.
Prior Publication US 2023/0167829 A1, Jun. 1, 2023
Int. Cl. F04D 17/12 (2006.01); F04D 17/10 (2006.01); F04D 29/08 (2006.01); F04D 29/42 (2006.01); F04D 25/06 (2006.01); F04D 29/58 (2006.01)
CPC F04D 29/4206 (2013.01) [F04D 17/10 (2013.01); F04D 17/122 (2013.01); F04D 29/083 (2013.01); F04D 25/06 (2013.01); F04D 29/5806 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A turbo fluid machine comprising:
a housing including an impeller chamber and a motor chamber accommodating an electric motor;
an impeller that is accommodated in the impeller chamber and compresses fluid by the electric motor being rotated;
a drive shaft that is accommodated in the housing and extends in an axial direction of the drive shaft to connect the impeller and the electric motor; and
a gasket that is made of a metal plate member and seals between the impeller chamber and an outside of the housing, wherein
the housing includes a first housing and a second housing that form the impeller chamber,
the first housing and the second housing are arranged in the axial direction,
the gasket is disposed between the first housing and the second housing in the axial direction,
the first housing and the second housing are in contact with each other in the axial direction on at least one of an outer circumferential side and an inner circumferential side of the gasket,
the gasket is held by, and between, an axially end surface of the first housing and an axially end surface of the second housing in the axial direction, and
the first housing and the second housing are in contact with each other only on the outer circumferential side of the gasket.