Bi-state hydraulic mount
AssigneeDelphi Technologies, Inc.
InventorsSanjiv G. Tewani, Mark W. Long, Mark O. Bodie
Life of this patent
Estimating the term…
Abstract
A hydraulic mount provides active control through the use of a rotary track assembly connecting a primary pumping chamber of the mount to a secondary fluid chamber. With low amplitude vibrations the fluid path remains open, providing low dynamic stiffness. For high amplitude vibrations, the fluid flow path is closed, providing a high level of dynamic stiffness. The rotary track assembly control is continuously variable offering a wide range of active control of hydraulic mount stiffness.
Claims16
A hydraulic mount comprising:
- a resilient hollow body defining a primary fluid chamber and a secondary fluid chamber;
- a rotary track assembly separating the primary and secondary fluid chambers;
- a rotary actuator operably connected to the rotary track assembly;
- a controller operably connected to the rotary actuator;
- and
- at least one sensor operably connected to the controller for sensing vibrational amplitude,
- wherein the controller receives a sensed vibrational amplitude from the at least one sensor and sends a signal to the rotary actuator to rotate the rotary track assembly based on the sensed vibrational amplitude.
A method for operating a hydraulic mount having a resilient hollow body defining a primary fluid chamber, a secondary fluid chamber, a rotary track assembly having a rotary track providing fluid communication between the primary chamber and the secondary chamber, and a rotary actuator operably connected to a controller, the method comprising:
- sensing an amplitude vibration;
- receiving the sensed vibration at the controller;
- sending a signal to the rotary actuator;
- and
- rotating the rotary track based on the received amplitude vibration.
A hydraulic mount comprising:
- a resilient hollow body defining a primary fluid chamber and a secondary fluid chamber;
- an orifice plate including a plurality of openings separating the primary fluid chamber from the secondary fluid chamber;
- a containment plate securely attached to the orifice plate, the containment plate including a wall portion, the wall portion including a plurality of tab portions defining a plurality of fluid chambers;
- a rotary track disposed between and rotatably coupled to the orifice plate and the containment plate, the rotary track including a wall portion and a base portion, the wall portion including a first plurality of openings and the base portion including a second plurality of openings;
- a rotary actuator operably connected to the rotary track and a controller;
- and
- at least one sensor operably connected to the controller for sensing vibrational amplitude.
Dependencies are inferred from the claim text.