Tandem-type pump having an auxiliary pump
AssigneeVolvo Construction Equipment Korea Co., Ltd.
InventorKyung Sub Lee
Life of this patent
Estimating the term…
Abstract
A tandem-type pump assembly having a first housing and a second housing. A first main pump and a second main pump are coaxially aligned and disposed in the first housing. A first driving shaft having a first end and a second end is rotatably supported in the first housing and coaxially interconnects the first main pump and the second main pump. A driving gear is fixed to the first end of the first driving shaft for rotation therewith. A second driving shaft is rotatably supported in the second housing for driving an auxiliary pump. A driven gear is fixed to the second driving shaft for rotation therewith and directly engages the driving gear.
Claims4
A tandem-type pump assembly, comprising:
- a first housing having a mounting flange;
- a first main pump being disposed in said first housing;
- a second main pump being disposed in said first housing, said second main pump being coaxially aligned with said first main pump;
- a first driving shaft being rotatably supported in said first housing and coaxially interconnecting said first main pump and second main pump;
- a driving gear being fixed to an end of said first driving shaft generally adjacent to said mounting flange for rotation therewith;
- a second housing mounted to said first housing;
- an auxiliary pump being disposed on said housing;
- a second driving shaft being rotatably supported in said second housing, said second driving shaft driving said auxiliary pump;
- and
- a driven gear being fixed to said second driving shaft for rotation therewith, said driven gear directly engaging said driving gear.
Dependencies are inferred from the claim text.