Resources Contact Us Home
Energy transfer machine

Image Number 12 for United States Patent #7472677.

An energy transfer machine, for example, a positive displacement internal combustion device, has a fixed outer housing, an internal rotating carrier and one or more inner rotors with rotational axes which are offset from the inner rotor carrier rotational axis. Projections from the fixed outer housing and rotor mesh with each other to define variable volume chambers. In another energy transfer machine, in which the outer housing may be fixed or rotating, projections of the rotor are expandable within cylinders defined by projections of the outer housing.

  Recently Added Patents
Methods, systems, and products for searching interactive menu prompting systems
Buckle (tube)
System and methods for facilitating and documenting user thinking and learning using enhanced interactive constructs
Sensor interface engineering
Use of tris(hydroxymethyl) aminomethane for the stabilization of peptides, polypeptides and proteins
IR(voltage) drop analysis in integrated circuit timing
Termite tubing preventative for non-wood materials
  Randomly Featured Patents
Method and apparatus for improving signal-to-noise ratio in longitudinal recording media
Wavelength conversion devices and fabrication methods for the same
Chondroitin-producing bacterium and method of producing chondroitin
Solar cell
Wrist purse with elastic securing means
Vehicular collision protection device
Methods and apparatus for intermittent rotary ultrasonic bonding system
Scan line illumination system utilizing hollow reflector
Door frame assembly
General purpose filter