Expandable piston rotary machine

Details Expandable piston rotary machine Expandable piston rotary machine

1996-11-01

1998-11-10

Nguyen, Hoang

Power plants

Internal combustion type free piston device supplies motive...

123151, 417380, F02B 7104

Patent

active

058327312

ABSTRACT:
An expandable piston rotary engine includes a core having a substantially circular periphery and central axis, and a rotor/flywheel mounted concentrically for rotation relative to the core. The core defines a plurality of cylinders spaced symmetrically about, and open at, the periphery of the core. Each cylinder contains a radially expandable, substantially cylindrical piston formed of a relatively thin web of material, such as sapphire or amorphous steel. The piston web material is coiled about its associated cylinder axis, and defines an internal combustion chamber whose diameter, and volume, vary in response to a relative coiling and uncoiling of the web in its cylinder. The inner surface of the rotor/flywheel defines with the periphery of the core, the cylinders and the outer surfaces of the pistons a closed space for a hydraulic fluid. Intake and exhaust valves and fuel igniters are associated with each of the cylinders. The core and other engine components are formed of lightweight ceramic materials capable of withstanding very high operating temperatures. By driving the rotor shaft relative to the core, and changing the valving to the piston chambers, the engine may be converted for use as a compressor or fluid pump.

REFERENCES:
patent: 3929105 (1975-12-01), Chisholm
patent: 3940924 (1976-03-01), Miyada
patent: 3975122 (1976-08-01), Hackbarth et al.
patent: 4022168 (1977-05-01), Sprague
patent: 4024842 (1977-05-01), Dumaine
patent: 4096828 (1978-06-01), Staou et al.
patent: 4503817 (1985-03-01), Klomp et al.
patent: 4649872 (1987-03-01), Solheim
patent: 4733534 (1988-03-01), Southard
patent: 4966000 (1990-10-01), Wolters
patent: 5000135 (1991-03-01), Taguma

Affiliated with

Also associated with

Rating

Expandable piston rotary machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Expandable piston rotary machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Expandable piston rotary machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1505943