In order to magnify capacity control of a refrigeration cycle for an increased efficiency and achievement of compactness, the refrigeration cycle includes a compressor, a four-way valve, a heat exchanger on a side of a heat source, a liquid receiver, a heat exchanger on a side of use, and an electronic expansion valve, all of which are connected other by pipes, and comprises a refrigerant circulating in the refrigeration cycle and being a non-azeotropic refrigerant, a second liquid receiver for ...

A craft for travel upon a water surface, the craft including a frame mounted upon two spaced apart pontoons, a windshield, a two passenger seat, and a foot powered mechanism mounted on the frame, the mechanism including propellers mounted on foreward-rearwardly and upon sidewardly shafts so that the craft can travel in any direct or any combination of directions.

A cycle exerciser has a pedal-actuatable drive shaft and a pair of counter shafts rotatably mounted about spaced, parallel axes. First and second sprockets are mounted on the drive shaft and on one of the counter shafts, respectively. Third and fourth sprockets are mounted on the other counter shaft. A fifth sprocket is connected to an energy-absorbing wheel. The first and second sprockets are the same size and larger than the third sprocket. The fourth sprocket is larger than the fifth. A pair ...

A ball cycle is provided and consists of a seat carried by a frame for supporting a body of a rider thereon, a mechanism for driving a pair of large wheels spaced apart and carried on a main axle which is rotatably mounted on the frame, a pair of stabilizing small rear wheels and a steering small front wheel so that hands of the rider are free allowing for a team sport to be played and a pair of bumpers placed on ends of the main axle to act as a safety device for reducing risk of injury to the ...

A cycle seat having adjustment capability facilitating adjustment of the contour of the cycle seat to compensate for differences in the crotch, rear buttocks and side buttocks areas of individual anatomies, thereby providing greater comfort to an individual utilizing the cycle seat.

A cycle exerciser having a wheel rotatably mounted on a frame and arranged to absorb energy applied to the wheel through a pair of foot pedals and/or a pair of handlebar levers. A pedal-driven main drive shaft is connected to a countershaft through a first speed-increasing chain and sprocket mechanism, and the countershaft is connected through a second speed-increasing chain and sprocket mechanism to the energy-absorbing wheel. The main drive shaft is connected through a one-to-one chain and spr...

A locking mechanism for bicycle or motorcycle wheels. The mechanism is a through-the-wheel lock that has a hook that attaches to a stationary fixed object, such as a pole. A first embodiment of the invention has a holding bracket attached to one side of the vehicle's front fork. A locking bracket is mounted on the other side of the front fork, directly opposite the holding bracket. A locking cane having a U-shaped end hook includes a number of rachet teeth on the end of the cane opposite the end...

An exercising apparatus comprising a stationary frame, a wheel rotatably mounted to the frame; a first drive unit mounted to the frame, a second drive unit mounted to the frame and operatively connected to the wheel and a first clutch mounted to the frame and being operatively connected to the first drive unit and being selectively engaged with or disengaged from the wheel.

A cycle is provided for carrying luggage on a bicycle or motorcycle having a sissy bar. The pack comprises an enclosed container which carries a sleeve on its front wall for gripping said sissy bar to securely hold the pack to the cycle. The pack may be readily converted to a back pack.

A vehicle for use particularly by persons whose bodies must be supported as they move themselves from place to place, so that all their weight is not on their feet; the vehicle consisting of a cycle having front and rear wheels that support a frame, a seat on the frame so a person can sit on it while his feet walk on the ground, the front wheel being able to be steered in a desired direction and the rear wheel being able to be braked by a brake lever.