| US 7,547,000 B2 | ||
| Valve coupling system | ||
| Stephen Robert Lewis, Chillicothe, Ill. (US); Amy Shalaine Johanson, Normal, Ill. (US); and James Joseph Streicher, Pontiac, Ill. (US) | ||
| Assigned to Caterpillar Inc., Peoria, Ill. (US) | ||
| Filed on Mar. 08, 2005, as Appl. No. 11/73,571. | ||
| Prior Publication US 2006/0202151 A1, Sep. 14, 2006 | ||
| Int. Cl. F16K 31/02 (2006.01) | ||
| U.S. Cl. 251—129.16 [335/270; 335/276] | 32 Claims |
| 1. A method for coupling a valve member to an armature member, comprising:
coupling the valve member to a surface of a cylindrical bore of the armature member such that the valve member contacts the
armature member over less than an entire axial length of the surface of the cylindrical bore of the armature member
aligning the armature member such that the axial length extends substantially parallel to the valve member; and
welding the valve member to the armature member.
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