Abrading – Abrading process
Reexamination Certificate
2007-12-04
2007-12-04
Morgan, Eileen P. (Department: 3723)
Abrading
Abrading process
C451S057000, C451S058000, C451S214000, C451S259000
Reexamination Certificate
active
11566825
ABSTRACT:
A method for machining a rotor having a disc and a plurality of integral airfoils projecting outwardly from the disc, according to one aspect of the invention, comprises a step of machining each airfoil with a disc tool having a grinding periphery thereof adapted for removing material from the airfoils. The grinding periphery has a thickness greater than a thickness of an adjacent supporting portion of the disc to permit the grinding periphery to pass a surface of an airfoil in a multi-axis simultaneous motion, thereby matching the grinding periphery with a predetermined geometry of a portion of the airfoil.
REFERENCES:
patent: 1039915 (1912-10-01), Faber
patent: 2600815 (1952-06-01), Turner
patent: 2633776 (1953-04-01), Schenk
patent: 2638312 (1953-05-01), Jedrzykowski
patent: 2754637 (1956-07-01), Schiavone
patent: 2962941 (1960-12-01), Stein et al.
patent: 3885925 (1975-05-01), Tatar
patent: 4265053 (1981-05-01), Kotthuas
patent: 4309849 (1982-01-01), Kowalski et al.
patent: 4338748 (1982-07-01), Elbel
patent: 4589175 (1986-05-01), Arrigoni
patent: 4757645 (1988-07-01), Ozer et al.
patent: 4770574 (1988-09-01), Lotz
patent: 4805351 (1989-02-01), Dobson et al.
patent: 4827675 (1989-05-01), Andrews
patent: 4914872 (1990-04-01), Snyder et al.
patent: 5168661 (1992-12-01), Pedersen et al.
patent: 5241794 (1993-09-01), Pedersen et al.
patent: 5330326 (1994-07-01), Kuehne et al.
patent: 5733080 (1998-03-01), David et al.
patent: 5869194 (1999-02-01), Dwyer
patent: 6224468 (2001-05-01), Blume et al.
patent: 6520838 (2003-02-01), Shaw
patent: 6869259 (2005-03-01), Lebkuechner
patent: 6905312 (2005-06-01), Bourgy et al.
patent: 6932682 (2005-08-01), Kostar et al.
patent: 7097540 (2006-08-01), Gosinski et al.
patent: 7144307 (2006-12-01), Schwartz et al.
Becze Charles Edward
Campomanes Marc Lorenzo
Ste-Marie Bastien
Morgan Eileen P.
Ogilvy Renault LLP
Pratt & Whitney Canada Corp.
LandOfFree
Method of machining airfoils by disc tools does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of machining airfoils by disc tools, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of machining airfoils by disc tools will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3859121