Marine motor assembly and cover for a marine motor assembly
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.
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.