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US 12,643,496 B2Granted
Hydraulic system for a refuse vehicle
AssigneeOshkosh Corporation
InventorsChris Mills, Greg Steffens, Chris Rukas, Jeremy Andringa, Colin Wheeler
Life of this patent
Estimating the term…
Abstract
A refuse vehicle including a first electric motor powered by a battery, a first hydraulic pump driven by the first electric motor, a packer actuator powered by the first hydraulic pump, a second electric motor powered by the battery, a second hydraulic pump driven by the second electric motor, a door actuator powered by the second hydraulic pump, and a lift actuator driven by the second hydraulic pump.
Claims19
A refuse vehicle comprising:
- a first electric motor powered by a battery;
- a first hydraulic pump driven by the first electric motor;
- a packer actuator powered by the first hydraulic pump;
- a second electric motor powered by the battery;
- a second hydraulic pump driven by the second electric motor;
- a door actuator powered by the second hydraulic pump;
- a lift actuator driven by the second hydraulic pump;
- and
- at least one of:
- (A) a first manifold controlling a flow of hydraulic fluid between the first hydraulic pump and the packer actuator;
- and
- a second manifold controlling a flow of hydraulic fluid between the second hydraulic pump, the door actuator, and the lift actuator;
- or
- (B) a third electric motor powered by the battery;
- a third hydraulic pump driven by the third electric motor;
- and
- an arm assembly including:
- a first actuator driven by the second hydraulic pump, and
- a second actuator driven by the third hydraulic pump.
16 more elements
A refuse vehicle comprising:
- a first electric motor powered by a battery;
- a first hydraulic pump driven by the first electric motor;
- a packer actuator powered by the first hydraulic pump;
- a second electric motor powered by the battery;
- a second hydraulic pump driven by the second electric motor;
- a door actuator powered by the second hydraulic pump;
- a lift actuator driven by the second hydraulic pump;
- an arm grab actuator;
- and
- an arm reach actuator driven by the second hydraulic pump.
7 more elements
A refuse vehicle comprising:
- a first electric motor powered by a battery;
- a first hydraulic pump driven by the first electric motor;
- a packer actuator powered by the first hydraulic pump;
- a second electric motor powered by the battery;
- a second hydraulic pump driven by the second electric motor;
- a door actuator powered by the second hydraulic pump;
- a lift actuator driven by the second hydraulic pump;
- a storage compartment including:
- a front post adjacent a front wall,
- a rear post adjacent a rear wall,
- a mid post between the front post and the rear post,
- a hopper volume defined between the front post and the mid post, and
- a storage volume defined between the mid post and the rear post;
- a hydraulic system cavity defined in the front wall and housing the first electric motor, the first hydraulic pump, the second electric motor, and the second hydraulic pump;
- a door system manifold positioned outside the hydraulic system cavity and rearward of the mid post;
- and
- a lift assembly manifold positioned outside the hydraulic system cavity.
14 more elements
A refuse vehicle comprising:
- a first electric motor powered by a battery;
- a first hydraulic pump driven by the first electric motor;
- a packer actuator powered by the first hydraulic pump;
- a second electric motor powered by the battery;
- a second hydraulic pump driven by the second electric motor;
- a door actuator powered by the second hydraulic pump;
- a third electric motor powered by the battery;
- a third hydraulic pump driven by the third electric motor;
- and
- a lift actuator driven by the third hydraulic pump.
7 more elements
A refuse vehicle comprising:
- a storage compartment including:
- a front post adjacent a front wall,
- a rear post adjacent a rear wall,
- a mid post between the front post and the rear post,
- a hopper volume defined between the front post and the mid post, and
- a storage volume defined between the mid post and the rear post;
- a hydraulic system cavity defined in the front wall;
- a first electric motor positioned within the hydraulic system cavity and powered by a battery;
- a first hydraulic pump positioned within the hydraulic system cavity and driven by the first electric motor;
- a packer actuator powered by the first hydraulic pump;
- a second electric motor positioned within the hydraulic system cavity and powered by the battery;
- a second hydraulic pump positioned within the hydraulic system cavity and driven by the second electric motor;
- a door assembly including:
- a door system manifold positioned outside the hydraulic system cavity and rearward of the mid post, the door system manifold receiving a flow of hydraulic fluid from the second hydraulic pump, and
- a door actuator powered via the door system manifold;
- and
- a grabber arm assembly including:
- an arm assembly manifold positioned outside the hydraulic system cavity and receiving a flow of hydraulic fluid from the second hydraulic pump, and
- a reach actuator powered via the arm assembly manifold.
16 more elements
Dependencies are inferred from the claim text.