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US 11,027,717 B2Granted
Hydraulic bicycle system
AssigneeSram, LLC
InventorsAdam Bradley, Paul Gallagher
Life of this patent
Estimating the term…
Abstract
A normally closed port valve seals a hydraulic hose connection port of a hydraulic bicycle component. Connection of an end of a hydraulic hose assembly to the port opens the valve, placing the assembly's hydraulic fluid chamber in fluid communication with the interior of the hose assembly. A hydraulic cylinder of the assembly is in fluid communication with the chamber. A spring may be used to bias the valve to a closed condition.
Claims16
A hydraulic bicycle component comprising:
- a housing having a cylinder, the cylinder defining a hydraulic fluid chamber;
- a hydraulic hose connection port fluidly connected to the hydraulic fluid chamber and adapted to be connected to a hydraulic hose assembly;
- an attachment member configured to affix the housing to a handlebar;
- a piston assembly including a piston slidably disposed within the cylinder, the piston configured to slide between a non-actuated position and an actuated position;
- a port valve configured to move between an open position permitting fluid communication between the hydraulic hose assembly and the hydraulic fluid chamber and a closed position inhibiting fluid communication between the hydraulic hose assembly and the hydraulic fluid chamber, the port valve moving to the open position responsive to the connection of the hydraulic hose assembly to the hydraulic hose connection port;
- and
- a spring disposed in the hydraulic fluid chamber configured to bias the port valve to the closed position.
4 more elements
A hydraulic bicycle component comprising:
- a housing having a cylinder, the cylinder defining a hydraulic fluid chamber;
- a hydraulic hose connection port formed coaxially with the cylinder and adapted to be connected to a hydraulic hose assembly;
- a piston assembly including a piston slidably disposed within the cylinder, the piston configured to slide between a non-actuated position and an actuated position;
- a port valve configured to move between an open position permitting fluid communication between the hydraulic hose assembly and the hydraulic fluid chamber and a closed position inhibiting fluid communication between the hydraulic hose assembly and the hydraulic fluid chamber, the port valve moving to the open position responsive to the connection of the hydraulic hose assembly to the hydraulic hose connection port;
- and
- a spring disposed in the hydraulic fluid chamber configured to bias the port valve to the closed position.
3 more elements
Dependencies are inferred from the claim text.