IP Library Granted Patent US 7,704,110
Granted Patent B2
US 7,704,110 · App. 11/848,770 · Granted Apr 27, 2010

Engine starting system for a marine outboard engine

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 7,704,110
App. No.
11/848,770
Granted
Apr 27, 2010
Kind
B2
Abstract

A marine outboard engine for a watercraft is disclosed. The marine outboard engine includes a starter motor operatively connected to the crankshaft of the engine and a capacitor electrically connected to the starter motor. The capacitor is powering the starter motor to initiate rotation of the crankshaft. An alternator is operatively connected to the engine and is electrically connected to the capacitor for charging the capacitor when the engine is operating. A starting system and a method for operating a starting system of a marine outboard engine are also disclosed.

Claims (37)

1. A marine outboard engine comprising:

a cowling;

an engine disposed in the cowling, the engine including:

a crankcase;

at least one cylinder connected to the crankcase; and

a crankshaft disposed in the crankcase;

a driveshaft disposed in the cowling generally parallel to the crankshaft, the driveshaft having a first end and a second end, the first end of the driveshaft being operatively connected to the crankshaft;

a gear case operatively connected to the cowling;

a transmission disposed in the gear case, the transmission being operatively connected to the second end of the driveshaft;

a propeller shaft disposed at least in part in the gear case generally perpendicular to the driveshaft, the propeller shaft being operatively connected to the transmission;

a bladed rotor connected to the propeller shaft;

a starter motor operatively connected to the crankshaft of the engine;

a tiller operatively connected to the cowling;

a capacitor disposed on the tiller, the capacitor being electrically connected to the starter motor, the capacitor powering the starter motor to initiate rotation of the crankshaft; and

an alternator operatively connected to the engine and electrically connected to the capacitor for charging the capacitor when the engine is operating.

2. The marine outboard engine of claim 1 , wherein the capacitor is a plurality of capacitors arranged as a capacitor module.

3. The marine outboard engine of claim 2 , wherein the tiller further includes a cavity configured to receive the capacitor module.

4. The marine outboard engine of claim 1 , further comprising a pull-start system including:

a flywheel operatively connected to the crankshaft;

a rope having a first end and a second end operatively connected to the flywheel; and

a handle attached to the first end of the rope;

the pull start system initiating rotation of the crankshaft upon operating the flywheel by pulling the rope with the handle.

5. The marine outboard engine of claim 1 , further comprising an electronic control unit (ECU) electrically connected to the alternator.

6. The marine outboard engine of claim 1 , further comprising a battery charger module (BCM), the capacitor being electrically connected to the alternator via the BCM.

7. A starting system for a marine outboard engine comprising:

a tiller having a first end a second end;

a throttle control disposed at the first end of the tiller;

the second end of the tiller being adapted for connecting the tiller to the marine outboard engine;

a capacitor mounted on the tiller;

a starter motor connected to the capacitor; and

an electrical connection electrically connecting the capacitor and the starter motor.

8. The starting system of claim 7 , wherein the capacitor is a plurality of capacitors arranged as a capacitor module.

9. The starting system of claim 8 , wherein the tiller includes a cavity configured to receive the capacitor module.

10. The starting system of claim 9 , further comprising a sealed protective box configured to be mounted in the cavity, wherein the plurality of capacitor are disposed in sealed protective box.

11. The starting system of claim 9 , wherein the capacitor module is removably connected in the cavity of the tiller.

12. The starting system of claim 7 , further comprising a starter switch disposed on the tiller and having an on position and an off position, the starter switch being connected between the capacitor and the starter motor; and

wherein the capacitor and the starter motor are electrically connected when the starter switch is at the on position.

Assignments (3)
SECURITY AGREEMENT Recorded May 13, 2010
From: BRP US INC.
To: BANK OF MONTREAL, AS ADMINISTRATIVE AGENT
Reel/Frame 024369/0777 →
SECURITY AGREEMENT Recorded May 12, 2010
From: BRP US INC.
To: BANK OF MONTREAL, AS ADMINISTRATIVE AGENT
Reel/Frame 024369/0552 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 7, 2007
From: WIATROWSKI, DARRELL, MR.; REMMERS, GREGRY, MR.
To: BRP US INC.
Reel/Frame 020213/0274 →