Electrical generator or motor structure – Dynamoelectric – Linear
Patent
1993-02-04
1994-10-04
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Linear
310 91, H02K 4100
Patent
active
053529464
ABSTRACT:
Power requirements for a robotic system are achieved through the employment of modular-type linear motor (LM) cells of either the one dimensional or two-dimensional type. Increasing system power requirements are met through the utilization of an increasing number of modular linear motor cells precisely positioned upon a common mounting plate to assure proper operation with a common platen. Deviations in the planarity or flatness of the platen and/or linear motor confronting surfaces due, for example, to warpage, temperature fluctuations, machining considerations or the like, are accommodated by mounting each modular LM cell upon a solid suspension member having mounting legs which are machined or otherwise formed from the solid member so as to be compliant in the Z direction only and non-compliant in the mutually perpendicular X and Y directions thereby allowing for movement in the Z direction as well as rotational movement about the X or Y axes to compensate for warpage or non-planarity of the platen and/or linear motor. Each mounting leg has a boss which is provided to enable the compliant legs to undergo proper flexing due to the displacement of the adjacent mounting surface of the LM, provided for by the bosses.
REFERENCES:
patent: 4823062 (1989-04-01), Hoffman et al.
patent: 4949923 (1990-08-01), Daily
Hoffman Brian D.
Pollack Steven H.
Smit Peter
Woolley John
Jones Judson H.
Megamation Incorporated
Stephan Steven L.
Weinstein Louis
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