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US 12,709,369 B2Granted
Combination trim tab and propulsion unit
AssigneeRoswell Canada Inc.
InventorBruce Lee
Life of this patent
Estimating the term…
Abstract
An apparatus, including at least one trim tab assembly (100), each including: a mounting base (110) configured to be mounted to a stern of a marine vessel; a trim tab (112) including a nozzle (150); a pivot joint (114) configured to raise and lower the trim tab relative to the mounting base; and an axial flow pump (140) configured to direct a medium flow through the nozzle.
Claims23
An apparatus, comprising at least one trim tab assembly, each comprising:
- a mounting base configured to be mounted to a stern of a marine vessel;
- a trim tab comprising a nozzle;
- a pivot joint configured to raise and lower the trim tab relative to the mounting base;
- an axial flow pump configured to direct a medium flow through the nozzle;
- a base section connected at a mount end to the mounting base via the pivot joint;
- a nozzle section comprising the nozzle;
- and
- a rotary joint between the base section and the nozzle section.
5 more elements
An apparatus, comprising:
- a mounting base configured to be mounted to a stern of a marine vessel;
- a trim tab comprising an array of nozzles therethrough;
- a pivot joint between the mounting base and the trim tab and configured to raise and lower the trim tab;
- and
- an axial flow pump disposed on a dorsal side of the trim tab and configured to direct a medium flow through the array of nozzles;
- wherein from the dorsal side to a ventral side of the trim tab nozzles of the array of nozzles are angled away from the pivot joint.
3 more elements
An apparatus, comprising at least one trim tab assembly, each comprising:
- a mounting base configured to be mounted to a stern of a marine vessel;
- a trim tab comprising a nozzle;
- a pivot joint configured to raise and lower the trim tab relative to the mounting base;
- an axial flow pump configured to direct a medium flow through the nozzle;
- wherein the at least one trim tab assembly comprises a port trim tab assembly and a starboard trim tab assembly;
- wherein each axial flow pump comprises a respective bidirectional flow pump;
- and
- wherein the apparatus is configured to permit independent control of a direction of rotation of the respective bidirectional flow pumps;
- the apparatus further comprising a port manual direction control configured to provide independent manual control of the direction of rotation of a port axial flow pump and a starboard manual direction control that is configured to provide independent manual control of the direction of rotation of a starboard axial flow pump.
6 more elements
An apparatus, comprising at least one trim tab assembly, each comprising:
- a mounting base configured to be mounted to a stern of a marine vessel;
- a trim tab comprising a nozzle;
- a pivot joint configured to raise and lower the trim tab relative to the mounting base;
- an axial flow pump configured to direct a medium flow through the nozzle;
- wherein the at least one trim tab assembly comprises a port trim tab assembly and a starboard trim tab assembly;
- wherein each axial flow pump comprises a respective bidirectional flow pump;
- and wherein the apparatus is configured to permit independent control of a direction of rotation of the respective bidirectional flow pumps;
- the apparatus further comprising an integrated manual control configured to independently control the respective directions of rotation of the respective bidirectional flow pumps.
5 more elements
Dependencies are inferred from the claim text.