US 11,929,651 B2
Inverter integrated gas supply device
Nobuyuki Ikeya, Tokyo (JP); Yuji Sasaki, Tokyo (JP); Masaya Taniguchi, Tokyo (JP); Gen Kuwata, Tokyo (JP); and Satoru Ohashi, Tokyo (JP)
Filed by IHI Corporation, Tokyo (JP)
Filed on Sep. 22, 2021, as Appl. No. 17/481,312.
Application 17/481,312 is a continuation of application No. PCT/JP2020/011852, filed on Mar. 17, 2020.
Claims priority of application No. 2019-059958 (JP), filed on Mar. 27, 2019.
Prior Publication US 2022/0006366 A1, Jan. 6, 2022
Int. Cl. H02K 11/33 (2016.01); F04D 13/06 (2006.01); F04D 29/42 (2006.01); H02K 5/20 (2006.01); H02K 5/22 (2006.01); H02K 7/14 (2006.01); H02P 27/06 (2006.01)
CPC H02K 11/33 (2016.01) [H02K 5/203 (2021.01); H02K 5/225 (2013.01); H02K 7/14 (2013.01); H02P 27/06 (2013.01); F04D 13/06 (2013.01); F04D 29/4206 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An inverter integrated gas supply device comprising:
a fluid machine configured to discharge air;
an electric motor having a motor casing and configured to drive the fluid machine;
an inverter having an inverter casing and configured to supply a drive current to the electric motor;
a motor-side connection part attached to the motor casing and configured to receive the drive current; and
an inverter-side connection part attached to the inverter casing, connected to the motor-side connection part, and configured to supply the drive current to the motor-side connection part,
wherein the motor-side connection part includes a motor-side connector housing attached to the motor casing, and a motor connector disposed inside the motor-side connector housing and configured to receive the drive current from the inverter-side connection part; and
the inverter-side connection part includes:
a socket having a first end surface that is pressed against the inverter casing,
a fastening member that is inserted through the socket and pressed against a second end surface of the socket,
an inverter-side connector housing attached to the inverter casing and including a through hole through which the socket and the fastening member are inserted, such that a gap is formed between a circumferential surface of the socket and the through hole, and
an inverter connector disposed inside the inverter-side connector housing and configured to supply the drive current to the motor connector.