Patent ID: 6453793
Filing Date: 2002-09-24
Classification: F01B,F01L

Abstract:
A motor comprising:(a) a shaft; (b) a first rack operably coupled to said shaft in a manner which rotates said shaft in a first circular direction in response to actuation of said first rack in a first linear direction; (c) a second rack operably coupled to said shaft in a manner which rotates said shaft in said first circular direction in response to actuation of said second rack in a second linear direction wherein said second linear direction is different than said first linear direction; (d) a first linear actuator coupled to said first rack; (e) a second linear actuator coupled to said second rack; (f) a first expansion chamber provided with a first inlet and a first outlet; (g) a first piston movable within said first expansion chamber, said first piston operably coupled to said first rack; (h) a second expansion chamber provided with a second inlet and a second outlet; and (i) a second piston movable within said second expansion chamber, and said piston operably coupled to said second rack.