Marine motor assembly and cover for a marine motor assembly

Patent metadata

Field	Value
Publication number	US-12486011-B2
Application number	US-202318365327-A
Country	US
Kind code	B2
Filing date	Aug 4, 2023
Priority date	Jul 31, 2023
Publication date	Dec 2, 2025
Grant date	Dec 2, 2025

Abstract

A marine motor assembly for a watercraft and a cover for a marine motor assembly. The assembly includes a housing; a motor disposed in the housing; and a propulsion device operatively connected to the motor. The housing includes a housing portion, and a cover selectively connected to the housing portion. The cover includes a cover body connectable to the housing portion, the cover body covering at least a portion of the motor; a noise dampening material layer disposed on an exterior side of the cover body; and a surface structure connected to the cover body, the noise dampening material layer being enclosed between the cover body and the surface structure.

First claim

What is claimed is:

1 . A marine motor assembly for a watercraft, the marine motor assembly comprising:
a housing; a motor disposed in the housing; and a propulsion device operatively connected to the motor, the housing comprising:
a housing portion, and
a cover selectively connected to the housing portion, the cover comprising:
a cover body connectable to the housing portion, the cover body covering at least a portion of the motor,
the housing portion and the cover body defining a volume enclosing the motor;
a noise dampening material layer disposed on an exterior side of the cover body and exterior to the volume; and
a surface structure connected to the cover body, the noise dampening material layer being enclosed between the cover body and the surface structure.

2 . The marine motor assembly of claim 1 , wherein:
the cover body is formed from a first material; the surface structure is formed from a second material; and the first material and the second material are different materials.

3 . The marine motor assembly of claim 2 , wherein the first material has greater rigidity than the second material.

4 . The marine motor assembly of claim 2 , wherein the cover body provides structural integrity of the cover.

5 . The marine motor assembly of claim 2 , wherein the second material has a glossier surface finish.

6 . The marine motor assembly of claim 1 , wherein the cover body is sealingly connectable to the housing portion.

7 . The marine motor assembly of claim 1 , wherein the cover further comprises an inner noise dampening material layer disposed on an interior side of the cover body.

8 . The marine motor assembly of claim 7 , wherein the inner noise dampening material layer is formed from noise vibration harshness (NVH) foam.

9 . The marine motor assembly of claim 7 , wherein the inner noise dampening material layer is connected to the cover body by clips.

10 . The marine motor assembly of claim 1 , wherein the surface structure includes a plurality of surface panels.

11 . The marine motor assembly of claim 10 , wherein the plurality of surface panels comprises:
at least one top side panel connected to a top side of the cover body; and at least one side panel connected to a lateral side of the cover body.

12 . The marine motor assembly of claim 1 , wherein the noise dampening material layer is formed from a plurality of separated layer portions.

13 . The marine motor assembly of claim 1 , wherein the noise dampening material layer is formed from noise vibration harshness (NVH) foam.

14 . The marine motor assembly of claim 1 , wherein the cover further comprises a plurality of bumpers extending along one of a top surface of the cover and a rear surface of the cover.

15 . The marine motor assembly of claim 14 , wherein each bumper of the plurality of bumpers is fastened to the cover body by a plurality of fasteners, the plurality of fasteners extending through the surface structure.

16 . The marine motor assembly of claim 1 , wherein:
the cover body is formed from direct long fiber thermoplastic (DLFT); and the surface structure is formed from acrylonitrile styrene acrylate (ASA).

17 . The marine motor assembly of claim 16 , wherein the DLFT forming the cover body is a glass fiber-reinforced polypropylene (thermoplastic) resin.

18 . The marine motor assembly of claim 1 , wherein the noise dampening material layer is encapsulated between the cover body and the surface structure.

19 . The marine motor assembly of claim 1 , wherein the noise dampening material layer contacts only an exterior surface of the cover body.

20 . A cover for a marine motor assembly, the cover being connectable to a housing portion for forming a housing of the marine motor assembly, the cover comprising:
a cover body connectable to the housing portion, when the cover body is connected to the housing portion:
the cover body and the housing portion forming a volume to receive a motor therein, and
the cover body covering at least a majority of powerpack components of the marine motor assembly;
a noise dampening material layer disposed on an exterior side of the cover body and exterior to the volume; and a surface structure connected to the cover body, the noise dampening material layer being enclosed between the cover body and the surface structure.

Assignees

• Brp Us Inc

Inventors

• Savage Dillon
• Wiegele Dale A
• Mcginley Samuel
• Coyne Matthew

Classifications

• B63H20/32 Primary

  Housings {(air intakes for outboard engines F02M35/167)} · CPC title

• B63H2020/025

  Sealings specially adapted for mountings of outboard drive units; Arrangements thereof, e.g. for transom penetrations · CPC title

• B63H20/02 Primary

  Mounting of propulsion units (B63H20/08 takes precedence) · CPC title