Metal working – Method of mechanical manufacture – Prime mover or fluid pump making
Patent
1990-01-16
1991-09-10
Cuda, Irene
Metal working
Method of mechanical manufacture
Prime mover or fluid pump making
29416, 29425, 29558, 29888, 29889, B23P 1500
Patent
active
050462440
ABSTRACT:
Extended stators for pumps or motors with eccentric shafts are made by machining. These stators are provided in the direction of their long axis with a dual- or multi-thread inner bore profile having periodically repeated profile pitches of predetermined lead as interior stator work faces. The course of the following method steps are utilized: (a) partial segments of the inner bore profile are produced by means of machining on rod-like work pieces as exterior working surfaces; (b) the work pieces are then separated in the direction of their long axes into a predetermined number of partial work pieces in such a way that each partial work piece has a partial segment of the inner bore profile, and (c) these partial work pieces are subsequently assembled together in such a way that the partial segments are combined into a complete inner bore profile.
REFERENCES:
patent: 1708115 (1929-04-01), Baldwin
patent: 4561476 (1985-12-01), Bunkoczy
patent: 4585401 (1986-04-01), Baldenko et al.
Cuda Irene
Linsinger Maschinenbau GmbH
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