Dishwasher cycle pulsing pump out of collection chamber
First Claim
1. A washer for washing particles off of objects with liquid, said washer comprising:
- a wash chamber adapted for holding objects to be washed;
a sump having first and second sump chambers adapted to hold liquid from the wash chamber;
a recirculation pump operable to move liquid from the second sump chamber to the wash chamber;
a drain pump operable to move liquid from the sump to a drain;
a movable blade disposed in the first sump chamber and adapted to mince particles in the first sump chamber; and
a controller for controlling the operation of the recirculation pump and the drain pump, said controller being operable to turn the drain pump on and off during a wash phase in order to move particles from the first sump chamber to the drain, said controller being operable to turn the drain pump on at the end of the wash phase in order to initiate a drain phase wherein the drain pump drains the sump of liquid.
1 Assignment
0 Petitions
Accused Products
Abstract
A washer for washing objects with liquid. The washer includes a wash chamber adapted for holding objects to be washed. The sump has a pump chamber and a collection chamber, both of which are adapted to hold liquid from the wash chamber. A recirculation pump is operable to move liquid from the pump chamber to the wash chamber. A drain pump is operable to move liquid from the pump chamber and the collection chamber to a drain. A rotatable blade is disposed in the collection chamber and is adapted to mince particles therein. A controller is provided for controlling the operation of the recirculation pump and the drain pump. The controller is operable to turn the drain pump on and off during a wash phase in order to move particles from the collection chamber to the drain. The controller is also operable to turn the drain pump on at the end of the wash phase in order to initiate a drain phase wherein the drain pump drains the sump of liquid.
64 Citations
21 Claims
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1. A washer for washing particles off of objects with liquid, said washer comprising:
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a wash chamber adapted for holding objects to be washed; a sump having first and second sump chambers adapted to hold liquid from the wash chamber; a recirculation pump operable to move liquid from the second sump chamber to the wash chamber; a drain pump operable to move liquid from the sump to a drain; a movable blade disposed in the first sump chamber and adapted to mince particles in the first sump chamber; and a controller for controlling the operation of the recirculation pump and the drain pump, said controller being operable to turn the drain pump on and off during a wash phase in order to move particles from the first sump chamber to the drain, said controller being operable to turn the drain pump on at the end of the wash phase in order to initiate a drain phase wherein the drain pump drains the sump of liquid. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A washer for washing particles off of objects with liquid, said washer comprising:
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a wash chamber adapted for holding objects to be washed; a sump adapted to hold liquid from the wash chamber; a recirculation pump operable to move liquid from the sump to the wash chamber; a drain pump operable to move liquid from the sump to a drain; and a controller for controlling the operation of the recirculation pump and the drain pump, said controller being operable to turn the recirculation pump on during a wash phase, and while the recirculation pump is running, to turn the drain pump on and off in order to move particles from the sump to the drain, said controller being operable to turn the drain pump on at the end of the wash phase in order to initiate a drain phase wherein the drain pump drains the sump of liquid. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A washer for washing particles off of objects with liquid, said washer comprising:
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a wash chamber adapted for holding objects to be washed; a sump having first and second sump chambers adapted to hold liquid from the wash chamber; first and second electric motors each having a rotatable motor shaft; a recirculation pump secured to the motor shaft of the first electric motor, said recirculation pump being operable to move liquid from the second sump chamber to the wash chamber; a drain pump secured to the motor shaft of the second electric motor, said drain pump being operable to move liquid from the sump to a drain; and a blade secured to the motor shaft of the first electric motor and disposed in the first sump chamber, said blade being adapted to mince particles in the first sump chamber. - View Dependent Claims (18, 19, 20, 21)
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Specification