Fluid-driven actuator and its applications
AssigneeNational University of Singapore
InventorsChen Hua Yeow, Hong Kai Yap, Wee Keong Benjamin Ang, Xinquan Liang
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Abstract
A fluid-driven actuator 100 includes a bending actuator 200 including a first wall portion 201, a second wall portion 203 cooperating with the first wall portion 201 to define an undulating actuator profile. The bending actuator 200 also includes an inner fluid bladder 202 disposed between the first and second wall portions 201,203 and following the undulating actuator profile. The fluid-driven actuator 100 further includes a restraint member 300 arranged to cooperate with the bending actuator 200 to produce a plurality of motions in response to fluid supplied to the inner fluid bladder 202.
Claims19
A fluid-driven actuator comprising
- a bending actuator including a first wall portion, a second wall portion cooperating with the first wall portion to define an undulating actuator profile, and an inner fluid bladder disposed between the first and second wall portions and following the undulating actuator profile, and
- a restraint member arranged to cooperate with the bending actuator to produce a plurality of motions in response to fluid supplied to the inner fluid bladder;
- wherein the inner fluid bladder includes at least two different segments which are arranged to be supplied with fluid independently.
A fluid-driven actuator comprising
- a bending actuator including a first wall portion, a second wall portion cooperating with the first wall portion to define an undulating actuator profile, and
- an inner fluid bladder disposed between the first and second wall portions and following the undulating actuator profile, and
- a restraint member arranged to cooperate with the bending actuator to produce a plurality of motions in response to fluid supplied to the inner fluid bladder;
- wherein the restraint member is fixedly coupled to the bending actuator to form a plurality of folds to define the undulating actuator profile;
- and wherein the fluid-driven actuator further comprises a secondary bending actuator having an inner secondary fluid bladder;
- wherein the inner secondary fluid bladder includes at least two different segments which are arranged to be supplied with fluid independently.
Dependencies are inferred from the claim text.