IP Library Granted Patent US 7,131,633
Granted Patent B2
US 7,131,633 · App. 10/918,782 · Granted Nov 7, 2006

Manually controlled replacement solenoid for hydraulic valves

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Quick Facts
Patent No.
US 7,131,633
App. No.
10/918,782
Granted
Nov 7, 2006
Kind
B2
Abstract

Solenoid controlled hydraulic valves in sealed hydraulic circuits are provided with backup actuation without compromise of the hydraulic circuit by provision of an auxiliary, quick fitting solenoid coil case which incorporates manual switches and which may be attached directly to a battery for energization.

Claims (5)

1. Apparatus comprising:

a tube shaped coil case sized and shaped to fit on to a hydraulic valve body having a positionally fixed, rod like extension;

a switch carrier mounted onto an outside surface of the tube shaped coil case;

a quick release mechanism mounted through the tube like coil case for locking the tube like coil case on the rod like extension for retaining the tube like coil case on the hydraulic valve body; and

electrical leads for connection to a battery extending from the switch carrier.

Assignments (3)
RELEASE OF SECURITY INTEREST Recorded Nov 10, 2017
From: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
To: INTERNATIONAL ENGINE INTELLECTUAL PROPERTY COMPANY, LLC; INTERNATIONAL TRUCK INTELLECTUAL PROPERTY COMPANY, LLC; NAVISTAR, INC.; NAVISTAR INTERNATIONAL CORPORATION
Reel/Frame 044416/0867 →
SECURITY AGREEMENT Recorded Sep 12, 2012
From: INTERNATIONAL ENGINE INTELLECTUAL PROPERTY COMPANY, LLC; INTERNATIONAL TRUCK INTELLECTUAL PROPERTY COMPANY, LLC; NAVISTAR INTERNATIONAL CORPORATION; NAVISTAR, INC.
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 028944/0730 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 9, 2004
From: DELANEY, PATRICK M.
To: INTERNATIONAL TRUCK INTELLECTUAL PROPERTY COMPANY, LLC
Reel/Frame 015358/0080 →