Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Reexamination Certificate
2007-03-06
2007-03-06
Bryant, David P. (Department: 3726)
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
C029S888021, C029S434000, C417S415000
Reexamination Certificate
active
10399314
ABSTRACT:
A method of manufacturing a linear compressor includes measures to account for possible variations in manufacture of the spring connecting between a cylinder part and a piston part. In the method, the piston is located at a predetermined axial position in the bore of the cylinder of the compressor. A spring that is connected with the cylinder part is extended so that a piston connection point of the spring is at a position based on a predetermined displacement of the spring or a position in which the spring exerts a predetermined reaction force. In this position, this piston and the spring connection point are thus separated by a distance that depends on the actual formed dimension of the individual spring. The piston and the piston connection point are subsequently joined to have a rigid axial separation that is fixed according to the separation attained in these steps.
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Duncan Gerald David
Lee Geoffrey Alan
McGill Ian Campbell
Patel Upesh
Seagar Neville David
Afzali Sarang
Bryant David P.
Fisher & Paykel Appliances Limited
Trexler, Bushnell Giangiorgi, Blackstone & Marr, Ltd.
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