To provide a pump capable of reducing labor hours in manufacturing by facilitating the attachment and detachment of a connecting pipe.
A balance pipe 31 has a suction-side member 39 provided in a casing 7 and communicating with a suction port side; a discharge-side member 40 provided in a casing 8 and communicating with a discharge port side; and a connecting pipe 41 connected between the suction-side member 39 and the discharge-side member 40. The suction-side member 39 and the discharge-side member 40 have insert portions to which the ends of the connecting pipe 41 are inserted respectively. The insert portion of the discharge-side member 40 has a moving space 57 which allows the connecting pipe 41 to be moved in a length direction B after assembling the balance pipe 31.
NOGUCHI MAKOTO
NAKANO TASUKE
NAGAOKA KEISUKE
JP2000205165A | 2000-07-25 | |||
JP2008291889A | 2008-12-04 | |||
JP2001090889A | 2001-04-03 |
US6309174B1 | 2001-10-30 | |||
US6309174B1 | 2001-10-30 |