Protection apparatus for remotely controlled self-reversing marine engines
Patent 3981278 Issued on September 21, 1976. Estimated Expiration Date: 
September 21, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 21, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2477836 2635417 3282259 InventorAssigneeApplicationNo. 05/547452 filed on 02/06/1975US Classes:123/41R, REVERSIBLE123/41EElectricalExaminersPrimary: Myhre, Charles J.Assistant: Anderson, William C. Attorney, Agent or FirmInternational ClassesF02B 77/08 (20060101)F02P 11/02 (20060101) F02D 27/00 (20060101) F02P 11/00 (20060101) F02B 3/06 (20060101) F02B 3/00 (20060101) F02B 61/00 (20060101) F02B 61/04 (20060101) AbstractApparatus for protecting reversible engines against damage during reversal of engine rotation notwithstanding that such reversal is initiated remotely by the operator by a single movement of the control handle without regard of the engine speed at the time such reversal is initiated, said apparatus including means for automatically cutting off engine throttle, determining the engine speed and direction of rotation at time reversal operation is initiated, and delaying, if necessary, restarting of the engine in the desired direction of rotation until rotation in the prior direction has been reduced to a safe speed for effecting such rotational reversal. | |
