Invention Grant
- Patent Title: Bi-metal pump gear
- Patent Title (中): 双金属泵齿轮
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Application No.: US13087774Application Date: 2011-04-15
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Publication No.: US08613609B2Publication Date: 2013-12-24
- Inventor: Lyle Ward , Steven A. Heitz
- Applicant: Lyle Ward , Steven A. Heitz
- Applicant Address: US CT Windsor Locks
- Assignee: Hamilton Sundstrand Corporation
- Current Assignee: Hamilton Sundstrand Corporation
- Current Assignee Address: US CT Windsor Locks
- Agency: Cantor Colburn LLP
- Main IPC: F04C18/00
- IPC: F04C18/00 ; F04C2/00

Abstract:
A pump gear is provided. The pump gear includes a first shaft portion having a first end and a second end with an integral gear portion formed therebetween. The first shaft portion is made from a first tool steel material. A second shaft portion having a third end brazed to the first end. The second shaft portion has at least one integral drive spline formed adjacent one end. The second shaft portion is made from a second tool material. The first tool steel material has a vanadium content by weight of greater than 9% and the second tool steel material has a vanadium content by weight of less than or equal to 1%.
Public/Granted literature
- US20120263618A1 Bi-Metal Pump Gear Public/Granted day:2012-10-18
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