HYDRAULIC SYSTEM FOR HEAVY EQUIPMENT
First Claim
1. Heavy equipment, comprising:
- a first hydraulic pump;
a second hydraulic pump;
a first hydraulic actuator facilitating a first work function of the heavy equipment;
a second hydraulic actuator facilitating a second work function of the heavy equipment;
valving configured to allow the first hydraulic pump to be coupled to the first hydraulic actuator and the second hydraulic actuator, and to allow the second hydraulic pump to be coupled to the first hydraulic actuator and the second hydraulic actuator; and
a computerized controller coupled to the valving, and having a logic module, wherein the logic module provides instructions to the computerized controller to operate the valving to distribute hydraulic fluid among the actuators as a function of inputs from an operator command, a sensor input, and prioritization logic associated with the first and second work functions, so as to optimize performance of the work functions facilitated by the hydraulic actuators with respect to available output of the hydraulic pumps.
1 Assignment
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Accused Products
Abstract
Heavy equipment includes first and second hydraulic pumps, and first and second hydraulic actuators, where the first hydraulic actuator facilitates a first work function of the heavy equipment and the second hydraulic actuator facilitates a second work function of the heavy equipment. The heavy equipment further includes valving and a computerized controller. The valving is configured to allow the first hydraulic pump to be coupled to the first hydraulic actuator and the second hydraulic actuator, and to allow the second hydraulic pump to be coupled to the first hydraulic actuator and the second hydraulic actuator. The computerized controller is coupled to the valving, and has a logic module. The logic module provides instructions to the computerized controller to operate the valving as a function of inputs from an operator command, a sensor input, and prioritization logic associated with the first and second work functions, so as to optimize performance of the work functions facilitated by the hydraulic actuators with respect to available output of the hydraulic pumps.
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Citations
20 Claims
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1. Heavy equipment, comprising:
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a first hydraulic pump; a second hydraulic pump; a first hydraulic actuator facilitating a first work function of the heavy equipment; a second hydraulic actuator facilitating a second work function of the heavy equipment; valving configured to allow the first hydraulic pump to be coupled to the first hydraulic actuator and the second hydraulic actuator, and to allow the second hydraulic pump to be coupled to the first hydraulic actuator and the second hydraulic actuator; and a computerized controller coupled to the valving, and having a logic module, wherein the logic module provides instructions to the computerized controller to operate the valving to distribute hydraulic fluid among the actuators as a function of inputs from an operator command, a sensor input, and prioritization logic associated with the first and second work functions, so as to optimize performance of the work functions facilitated by the hydraulic actuators with respect to available output of the hydraulic pumps. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A hydraulic system, comprising:
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a plurality of hydraulic pumps; a plurality of hydraulic actuators facilitating work functions of the hydraulic system; a manifold comprising a plurality of valves for controlling a flow of hydraulic fluid from the plurality of hydraulic pumps to the plurality of hydraulic actuators, wherein the plurality of valves of the manifold are configured to allow each of the plurality of hydraulic pumps to be coupled to any one of the plurality of hydraulic actuators while not being coupled to the others of the plurality of hydraulic actuators; and a computerized controller coupled to the manifold, and having a logic module, wherein the logic module provides instructions to the computerized controller to operate the plurality of valves of the manifold to distribute hydraulic fluid flowing through the manifold among the plurality of actuators as a function of inputs from an operator command, a sensor input, and prioritization logic associated with the work functions, so as to optimize performance of the work functions facilitated by the plurality of hydraulic actuators with respect to available output of the plurality of hydraulic pumps. - View Dependent Claims (10, 11, 12, 13, 14)
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15. Heavy equipment, comprising:
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a body; an articulated arm extending from the body; a first actuator facilitating a first work function of the heavy equipment comprising raising and lowering the articulated arm; a second actuator facilitating a second work function of the heavy equipment comprising moving the body of the heavy equipment; a source of pressurized hydraulic fluid; a manifold comprising a plurality of valves for distributing to the first and second actuators hydraulic fluid received from the source of pressurized hydraulic fluid; and a computerized controller operating the manifold as a function of prioritization logic related to the first and second work functions, wherein the prioritization logic is updated by the computerized controller during operation of the heavy equipment. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification