Systems, apparatuses, and methods for moving aircraft control surfaces
First Claim
1. An aircraft system comprising:
- an actuator having a piston bore and a piston slidably disposed within the piston bore, the piston having a first piston surface with a first area and a second piston surface opposite to the first piston surface with a second area, the second area being at least generally equivalent to the first area, the actuator further having at least a first fluid port and a second fluid port, the first fluid port being positioned in fluid communication with the first piston surface and the second fluid port being positioned in fluid communication with the second piston surface;
a fluid distribution system having at least a first fluid circuit and a second fluid circuit, wherein the first fluid circuit is configured to provide pressurized working fluid from a fluid source to the first fluid port to move the piston in a first direction, and wherein the second fluid circuit is configured to provide pressurized working fluid from the fluid source to the second fluid port to move the piston in a second direction opposite to the first direction; and
a check valve positioned in the first fluid circuit, wherein the check valve is configured to open in response to receiving pressurized working fluid from the fluid source, the open check valve allowing pressurized working fluid to flow at least to the first fluid port for moving the piston in the first direction.
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Accused Products
Abstract
Aircraft control surface operating systems and apparatuses, and associated methods of use. In one embodiment, an aircraft system includes an actuator operably coupled to a control surface in one-to-one correspondence. The actuator can include at least a first fluid port and a second fluid port. A first fluid circuit can be configured to provide pressurized working fluid from a fluid source to the first fluid port on the actuator to retract the actuator. A second fluid circuit can be configured to similarly provide pressurized working fluid from the fluid source to the second fluid port on the actuator to extend the actuator. The aircraft system can further include an accumulator configured to store pressurized working fluid for actuator operation in the event of a pressure drop in the fluid source.
217 Citations
17 Claims
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1. An aircraft system comprising:
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an actuator having a piston bore and a piston slidably disposed within the piston bore, the piston having a first piston surface with a first area and a second piston surface opposite to the first piston surface with a second area, the second area being at least generally equivalent to the first area, the actuator further having at least a first fluid port and a second fluid port, the first fluid port being positioned in fluid communication with the first piston surface and the second fluid port being positioned in fluid communication with the second piston surface; a fluid distribution system having at least a first fluid circuit and a second fluid circuit, wherein the first fluid circuit is configured to provide pressurized working fluid from a fluid source to the first fluid port to move the piston in a first direction, and wherein the second fluid circuit is configured to provide pressurized working fluid from the fluid source to the second fluid port to move the piston in a second direction opposite to the first direction; and a check valve positioned in the first fluid circuit, wherein the check valve is configured to open in response to receiving pressurized working fluid from the fluid source, the open check valve allowing pressurized working fluid to flow at least to the first fluid port for moving the piston in the first direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An aircraft system comprising:
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an actuator having a piston bore and a piston slidably disposed within the piston bore, the piston having a first piston surface with a first area and a second piston surface opposite to the first piston surface with a second area, the second area being at least generally equivalent to the first area, the actuator further having at least a first fluid port positioned in flow communication with the first piston surface; a fluid distribution system having at least a first fluid circuit configured to flow pressurized working fluid from a fluid source to the first fluid port to move the piston in the first direction; and a check valve positioned in the first fluid circuit, wherein the check valve is configured to open in response to receiving pressurized working fluid from the fluid source, the open check valve allowing pressurized working fluid to flow at least to the first fluid port for moving the piston in the first direction. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification