Rotary damper
AssigneeClaverham Limited
InventorsPaul BREWER, Reg RAVAL, Suat BEKIRCAN
Life of this patent
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Abstract
A rotary damper comprising a fixed structure, a rotor configured to rotate about an axis (R-R), and two opposing bellows. The bellows each extend between the rotor and the fixed structure and are attached thereto. The bellows each define a chamber for holding hydraulic fluid and are configured to expand and contract as the rotor rotates. The damper further comprises a damping orifice extending through the rotor or the fixed structure. The bellows are sealingly engaged around the damping orifice and the damping orifice permits fluid communication between the chambers defined by the bellows.
Claims18
A rotary damper comprising:
- a fixed structure;
- a rotor configured to rotate about an axis (R-R) relative to the fixed structure;
- two opposing bellows each extending between the rotor and the fixed structure and attached thereto, wherein the bellows each define a chamber for holding hydraulic fluid and are configured to expand and contract as the rotor rotates;
- and
- a damping orifice extending through the rotor or the fixed structure, wherein the bellows are sealingly engaged around the damping orifice and the damping orifice permits fluid communication between the chambers defined by the bellows.
The rotary damper of claim 10, wherein the bleed valve is a bleed screw or a bleed nipple.
A method of damping rotary motion of a rotor, the method comprising:
- attaching two opposing bellows between the rotor and a fixed structure, wherein each of the bellows defines a chamber for holding hydraulic fluid, and the bellows are sealingly engaged around a damping orifice extending through the rotor or the fixed structure that permits fluid communication between the chambers;
- and
- configuring the bellows to expand and contract with rotation of the rotor.
Dependencies are inferred from the claim text.