Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2006-08-29
2011-10-25
Lam, Thanh (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
C384S548000
Reexamination Certificate
active
08044544
ABSTRACT:
A cylindrical roller bearing41comprises an inner ring42, an outer ring43having the same axial width as the inner ring42and having an insulation layer43aformed on an outer diameter surface and both end faces thereof, cylindrical rollers44arranged between the inner ring42and the outer ring43, a retainer45retaining intervals of the cylindrical rollers44, and a sealing seal46as a sealing member having a roughly channel-shaped configuration in cross section projecting from both end faces of the inner ring42and the outer ring43. Thus, a relation between a length L3of the roller44and an axial width W3of the inner ring42and the outer ring43satisfies L3/W3≧0.4, and a relation between a bearing volume V3of the cylindrical roller bearing41and an internal space capacity C3of the cylindrical roller bearing41satisfies 0.25≦C3/V3≦0.55.
REFERENCES:
patent: 1722488 (1929-07-01), Bott et al.
patent: 3602150 (1971-08-01), Frost et al.
patent: 3899226 (1975-08-01), Frost et al.
patent: 2005/0206249 (2005-09-01), Hashiba et al.
patent: 2007/0152657 (2007-07-01), Yabe et al.
patent: 2009/0010585 (2009-01-01), Nakajima et al.
patent: 2010/0166352 (2010-07-01), Morita et al.
patent: 2011/0059418 (2011-03-01), Damato et al.
patent: 2 792 378 (2000-10-01), None
patent: 57-6550 (1982-01-01), None
patent: 60-075440 (1985-05-01), None
patent: 08-338426 (1996-12-01), None
patent: 2002-181050 (2002-06-01), None
patent: 2003-13971 (2003-01-01), None
patent: 2004-075041 (2004-03-01), None
patent: 2004-346972 (2004-12-01), None
patent: 2005-283742 (2005-10-01), None
Ito Hideji
Sone Katsunori
Tsuji Naoaki
Yamakawa Tsukasa
Clark & Brody
Lam Thanh
NTN Corporation
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