Bearings
AssigneeDowty Aerospace Gloucester Limited
InventorsRichard Andrew Newley, Paul Raymond Smith, Alun Davies-Jones
Life of this patent
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Abstract
A sliding contact bearing, especially an aircraft landing gear trunnion beating, comprises two bearing members (1, 3) composed of titanium or titanium alloy with cooperating sliding surfaces (2, 4), a first one of which is chromium plated and the second one of which is coated with nickel and fluorocarbon polymer. Preferably, the nickel coating is applied by an electroless plating process, and the fluorocarbon is infused into pores in the nickel plating. Preferably, the nickel and fluorocarbon coating is 0.025 to 0.041 mm thick, and has a hardness in the range 750-1000 VPN.
Claims6
A sliding contact bearing comprising two bearing members composed of titanium or a titanium alloy with cooperating sliding surfaces, a first one of which is chromium plated and the second one of which is coated with nickel and fluorocarbon polymer.
Dependencies are inferred from the claim text.