Class 280/216 - Fluid system

Subclass of Class 280 - Land vehicles
Definition: Vehicles in which the interposed energy device is a fluid
No. of patents: 33
Last issue date: 09/12/2006

Number	Title	Issue Date
7104551	Sliding device for snow sports A sliding device for snow is provided with a supporting slide (1) and a turning slide (2) arranged in front of the supporting slide. The smallest portion of said turning slide (2) is wider than the widest portion of the supporting slide (1	09/12/2006
7100727	Articulated vehicle The invention concerns an articulated vehicle comprising a rear frame (1) and a front frame (2) linked by an articulation (3) associated with the device (30, 6) for removably locking controlled by a pendular member (4, 62) mounted ...	09/05/2006
7097190	Bicycle with swing arm and transmission A bicycle is provided with a body frame, a swing arm structure, a rear wheel, and a transmission. The transmission includes a drive rotation body to be rotation-driven by a crankshaft, and a plurality of gear-change rotation bodies. The transmission is provided with...	08/29/2006
7059372	Assembly for inflating a tire An assembly for inflating a tire includes a pump assembly that includes a housing having an air inlet and an air outlet. A conduit is fluidly coupled to the air outlet. The housing has a first end wall, a second end wall and a peripheral wall. A bracket is attached ...	06/13/2006
7059618	Fluid automatic bicycle transmission A bicycle hub having a fluid automatic transmission receiving power input from the rider which uses drag to transfer power from an outer shell being rotated by the drive train to a stator and using applied torque to automatically control mechanical advantage in a li...	06/13/2006
6964424	Drive system A drive system for use in a bicycle or the like, which includes a manually-operable member and a drive train connected to the member for transferring drive from the member to at least one of the bicycle wheels. The member is mounted for substantially rectilinear rec...	11/15/2005
6371501	Tread wheel frame system A Tread Wheel Frame System drives a human-powered cycle by a tread wheel driving a tread of a drive wheel of a cycle rather than driving a drive wheel hub, as conventional cycles do. Most of the driving mechanism, including the tread wheel, a speed ratio ...	04/16/2002
6325733	Hydraulically-operated bicycle shifting system with power shifting A family of new bicycle shifting systems incorporate improved derailleur designs that are controlled by sealed hydraulic actuators. The shifting systems (i) a hydraulically-actuated, manually-powered front and rear derailleur shifting system, (ii) a hydra...	12/04/2001
6315313	Energy storing bicycle Energy storing bicycle comprises: a fluid reservoir accommodating a fluid having a predetermined viscosity compressible for storing pressure energy, to which at least one supply pipe and at least one return pipe are connected; at least one pressure pump w...	11/13/2001
6217398	Human-powered or human-assisted energy generation and transmission system with energy storage means and improved efficiency Efficient human-powered or human-power assisted energy generation and transmission system adapted for use with vehicles. The present invention can be utilized to achieve overall energy transmission efficiency superior to mechanical drives that utilize cha...	04/17/2001
6135474	Vehicle frame A vehicle frame is constructed of a frame body including a head component for supporting a front wheel, a seat supporting component for supporting a seat, and a frame component coupled to the head component and to the seat supporting component. The frame ...	10/24/2000
6066057	Gas actuated derailleur having an indexing mechanism for setting a chain guide in a plurality of fixed positions A gas actuated derailleur for a bicycle includes a base member, a movable member supporting a chain guide, a coupling mechanism coupling the base member to the movable member so that the movable member moves relative to the base member, and an actuation m...	05/23/2000
6032968	Hydraulic transmission for bicycles A drive mechanism for a bicycle comprising a pump unit driven by the rotation of the bicycle pedals, a hydraulic motor driven by the pump unit, a conduit system creating a closed hydraulic system for circulating hydraulic fluid between the pump unit and t...	03/07/2000
5938224	Hydraulic bicycle with conjugate drive motors and variable stroke crankshaft A device for transmitting power between mechanical movements which includes a fluid pump coupled to a first mechanical movement for pumping a fluid, a fluid motor coupled to a second mechanical movement and a manifold connecting the fluid pump and the flu...	08/17/1999
5772225	Hydraulic bicycle with conjugate drive motors A device for transmitting power between mechanical movements which includes a fluid pump coupled to a first mechanical movement for pumping a fluid, a fluid motor coupled to a second mechanical movement and a manifold connecting the fluid pump and the flu...	06/30/1998
5771754	Bike hydraulic disk drive and method therefor A hydraulically controlled bicycle drive system for variably transferring rotational motive power from a rider to the chain of a bicycle. The bicycle comprises a chain drive, a plurality of hydraulic clamps, and a plurality of roller clamps; a rotatable d...	06/30/1998
5423560	Variable speed hydraulic drive, for single or multi-wheel drive bicycles and the like A hydraulic drive system is disclosed that has infinitely variable ratio without any need to reduce or remove power during shifts, requires very little effort to shift, and requires little or no effort to maintain shift position after shifting. It provide...	06/13/1995
5387000	Hydraulic drive system for bicycles and the like A hydraulic drive system for bicycles and the like comprises a casing adapted for enclosing a hanger portion of the bicycle, planetary gear type speed up gears including a carrier integral with a crankshaft for increasing the number of rotations of the cr...	02/07/1995
5346234	Vehicle including an hydraulic drive mechanism An hydraulic drive mechanism for tricycles and the like comprises a variable volume, positive displacement hydraulic pump and a hydraulic motor. The pump is dual chambered with each chamber operating a separate hydraulic system for separate drive wheels. ...	09/13/1994
4953882	Transmission apparatus for bicycle or like pedal-operated vehicle A pedal driven vehicle is provided wherein up and down movement of a pair of pedals is converted into rotary motion of a drive wheel to provide vehicle locomotion. A chain or belt connected at the ends thereof to the pedals is movable back and forth in op...	09/04/1990
4942936	Electrohydraulic/air bike A bicycle or motocycle that can be driven either by compressed air or pressurized hydraulics in which either an electric motor operated from a battery source drives a pump or the rider manually provides pedal power for driving the pump in compressing eith...	07/24/1990
4925199	Drive device A drive device for a rotating part, in particular a vehicle axle, has at least one digital mechanical drive having an active wedge and associated drive devices which produce, structurally predetermined or optionally from different forms of energy, pulses ...	05/15/1990
4852898	Collapsible hydraulic polycycle An improvement in a pedal-operated polycycle including a hydraulic cylinder in fluid and pressure integral communication with piston means depending from such pedals. Further included is a hydraulic line in substantial co-alignment with the mainframe of t...	08/01/1989
4688815	Hydraulically driven bicycle A hydraulically driven bicycle frame with two axle members coupled to the bicycle frame and front and rear wheels mounted on such axles for rotation about the axis of the respective axle and a pair of pedals mounted on a pedal drive shaft coupled to the b...	08/25/1987
4684143	Two-wheeled vehicle with hydraulic transmission A two-wheeled vehicle such as a bicycle includes a variable displacement fluid pump such as a radial plunger pump provided at a crankshaft of pedals and a fixed displacement fluid motor such as a gear motor at a rear wheel or a front wheel. The fluid pump...	08/04/1987
4568097	Turbo air motor for bicycles A bicycle drive means comprising a bicycle having a main frame and air passageway throughout a substantial portion of the main frame, an air intake means in fluid communication with the air passageway, an air compressor engaged with the front sprocket ass...	02/04/1986
4546990	Hydraulic drive system for bicycles and the like A hydraulic drive system and a bicycle having such system as its drive train, the system including a pump, preferably a vane pump, operably connected to the bicycle pedal crank, the pump delivering pressurized fluid to a hydraulic motor operably connected...	10/15/1985
4347700	Direct-drive hydraulic pump-motor This invention resides in a closed system, with permanently fixed end plates, which permits the pump-motor of the present invention to operate either as a combined pump-motor, or as a pump only, or solely as a motor. Rotators of this invention have parall...	09/07/1982
4290621	Bicycles A bicycle employing a hydraulic multi-speed drive mechanism in which the speed at which the bicycle is driven is determined by the volume of fluid pumped to a hydraulic motor connected to the rear wheel of the bicycle. Provisions are included to permit th...	09/22/1981
4249750	Fluid-power converter with paired rotators providing seals and displacement paths and pump-motor utilizing same The fluid-power converter of the present invention is a pump-motor having matched rollers and matched gears arranged to provide seals and displacement paths. The pump-motor includes a plurality of rotators in series-contact to define a plurality of fluid-...	02/10/1981
4087105	Hydraulic powered bicycle A bicycle that is powered by a hydraulic motor operatively associated with the rear wheel of the vehicle, with the actuation being by fluid under pressure delivered to the motor by a first rotary pump actuated by the feet of the rider, and a second pump t...	05/02/1978
4078816	Hydraulically driven two-wheeled pedicab A hydraulically driven, two-wheeled pedicab constructed with an enclosed cockpit for inclined positioning of a solo rider. The pedicab includes a reciprocating piston pump hydraulically connected to a hydraulic, rotary motor for powering at least one of t...	03/14/1978
3941075	Pedal powered amphibian tricycle with blower-turbine coupling means A three wheeled amphibian vehicle operated by pedal power and including an air blower coupled to a disk turbine. The turbine is a flat circular rotatable structure having blade cavities on both upper and lower faces. Twin nozzles, connected to the blower,...	03/02/1976

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Class 280/216 - Fluid system