Method for detecting satellization speed of clothes load in a horizontal axis laundry treating appliance
First Claim
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1. A fabric treating appliance for automatically treating a laundry load according to at least one cycle of operation, comprising:
- a rotatable treating chamber for receiving the laundry load for treatment;
a motor for rotating the treating chamber;
a speed sensor outputting a speed signal indicative of a rotational speed of the motor;
a torque sensor outputting a torque signal indicative of a torque of the motor;
a controller operably coupled to the motor and receiving the speed signal and torque signal, wherein the controller provides an acceleration signal to the motor to increase the rotational speed of the motor to accelerate the rotational speed of the treating chamber from a non-satellizing speed to a satellizing speed, and determines that the treating chamber has reached the satellizing speed by determining when a shape of at least a portion of the torque signal matches a corresponding portion of a reference torque signal, which is indicative of the torque when the laundry load is satellized; and
wherein the controller provides the acceleration signal to the motor to increase the rotational speed of the motor at a predetermined rate.
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Accused Products
Abstract
A laundry treating appliance may include a rotatable treating chamber for receiving a laundry load for treatment, and a motor for rotating the treating chamber, and may be operated such that during the acceleration of the laundry load toward a satellizing speed, the satellizing of the laundry load may be detected, whereby subsequent operation of the laundry treating appliance may be controlled based on the detection.
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Citations
17 Claims
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1. A fabric treating appliance for automatically treating a laundry load according to at least one cycle of operation, comprising:
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a rotatable treating chamber for receiving the laundry load for treatment; a motor for rotating the treating chamber; a speed sensor outputting a speed signal indicative of a rotational speed of the motor; a torque sensor outputting a torque signal indicative of a torque of the motor; a controller operably coupled to the motor and receiving the speed signal and torque signal, wherein the controller provides an acceleration signal to the motor to increase the rotational speed of the motor to accelerate the rotational speed of the treating chamber from a non-satellizing speed to a satellizing speed, and determines that the treating chamber has reached the satellizing speed by determining when a shape of at least a portion of the torque signal matches a corresponding portion of a reference torque signal, which is indicative of the torque when the laundry load is satellized; and wherein the controller provides the acceleration signal to the motor to increase the rotational speed of the motor at a predetermined rate. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A fabric treating appliance for automatically treating a laundry load according to at least one cycle of operation, comprising:
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a rotatable treating chamber for receiving the laundry load for treatment; a motor for rotating the treating chamber; a speed sensor outputting a speed signal indicative of a rotational speed of the motor; a torque sensor outputting a torque signal indicative of a torque of the motor; a controller operably coupled to the motor and receiving the speed signal and torque signal, wherein the controller provides an acceleration signal to the motor to increase the rotational speed of the motor to accelerate the rotational speed of the treating chamber from a non-satellizing speed to a satellizing speed, and determines that the treating chamber has reached the satellizing speed by determining when a shape of at least a portion of the torque signal matches a corresponding portion of a reference torque signal, which is indicative of the torque when the laundry load is satellized; and wherein the controller determines a difference between the shape of the portion of the torque signal and the corresponding portion of the reference torque signal. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A fabric treating appliance for automatically treating a laundry load according to at least one cycle of operation, comprising:
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a rotatable treating chamber for receiving the laundry load for treatment; a motor for rotating the treating chamber; a speed sensor outputting a speed signal indicative of a rotational speed of the motor; a torque sensor outputting a torque signal indicative of a torque of the motor; a controller operably coupled to the motor and receiving the speed signal and torque signal, wherein the controller provides an acceleration signal to the motor to increase the rotational speed of the motor to accelerate the rotational speed of the treating chamber from a non-satellizing speed to a satellizing speed, and determines that the treating chamber has reached the satellizing speed by determining when a shape of at least a portion of the torque signal matches a corresponding portion of a reference torque signal, which is indicative of the torque when the laundry load is satellized; and wherein a portion of the motor rotation corresponds to a portion of the treating chamber rotation.
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16. A fabric treating appliance for automatically treating a laundry load according to at least one cycle of operation, comprising:
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a rotatable treating chamber for receiving the laundry load for treatment; a motor for rotating the treating chamber; a speed sensor outputting a speed signal indicative of a rotational speed of the motor; a torque sensor outputting a torque signal indicative of a torque of the motor; a controller operably coupled to the motor and receiving the speed signal and torque signal, wherein the controller provides an acceleration signal to the motor to increase the rotational speed of the motor to accelerate the rotational speed of the treating chamber from a non-satellizing speed to a satellizing speed, and determines that the treating chamber has reached the satellizing speed by determining when a shape of at least a portion of the torque signal matches a corresponding portion of a reference torque signal, which is indicative of the torque when the laundry load is satellized; and wherein a predetermined number of degrees of motor rotation corresponds to a predetermined number of degrees of treating chamber rotation.
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17. A fabric treating appliance for automatically treating a laundry load according to at least one cycle of operation, comprising:
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a rotatable treating chamber for receiving the laundry load for treatment; a motor for rotating the treating chamber; a speed sensor outputting a speed signal indicative of a rotational speed of the motor; a torque sensor outputting a torque signal indicative of a torque of the motor; a controller operably coupled to the motor and receiving the speed signal and torque signal, wherein the controller provides an acceleration signal to the motor to increase the rotational speed of the motor to accelerate the rotational speed of the treating chamber from a non-satellizing speed to a satellizing speed, and determines that the treating chamber has reached the satellizing speed by determining when a shape of at least a portion of the torque signal matches a corresponding portion of a reference torque signal, which is indicative of the torque when the laundry load is satellized; and wherein the rotational speed of the motor corresponds to the rotational speed of the treating chamber.
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Specification