Abrégé

A marine propulsion system with a closed coolant loop is described. The marine propulsion system has a starboard heat exchanger and a port side heat exchanger that provides improved cooling and increases engine life compared with traditional open loop cooling systems, particularly in harsh environments such as salt water, brackish water, swamp, shallow or sediment and debris rich water. The two discrete heat exchangers are mounted to the lower unit of the marine propulsion system and also serve to improve hydrodynamic performance of the marine propulsion system.

Classes IPC  ?

• B63H 20/28 - Entrées d'eau de refroidissement
• F01P 3/20 - Circuits de refroidissement non spécifiques d'une pièce particulière des moteurs ou "machines"

Abrégé

An outboard marine propulsion system with a closed loop lower unit heat exchanger is described. The closed loop lower unit heat exchanger provides improved cooling to outboard marine propulsion units and increases engine life compared with traditional open loop cooling systems, particularly in harsh environments such as salt water, brackish water, swamp, shallow or sediment and debris rich water. The closed loop lower unit heat exchanger also provides improved performance to the outboard marine propulsion system when mounted to an appropriate portion of the lower unit of the outboard marine engine such as the anti-cavitation plate.

Classes IPC  ?

• B63H 20/28 - Entrées d'eau de refroidissement
• F01P 3/20 - Circuits de refroidissement non spécifiques d'une pièce particulière des moteurs ou "machines"

Abrégé

An outboard marine propulsion system with a closed loop lower unit heat exchanger is described. The closed loop lower unit heat exchanger provides improved cooling to outboard marine propulsion units and increases engine life compared with traditional open loop cooling systems, particularly in harsh environments such as salt water, brackish water, swamp, shallow or sediment and debris rich water. The closed loop lower unit heat exchanger also provides improved performance to the outboard marine propulsion system when mounted to an appropriate portion of the lower unit of the outboard marine engine such as the anti-cavitation plate.

Classes IPC  ?

• B63H 20/28 - Entrées d'eau de refroidissement
• F28D 7/16 - Appareils échangeurs de chaleur comportant des ensembles de canalisations tubulaires fixes pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation les canalisations étant espacées parallèlement

Abrégé

A marine propulsion unit is described. The marine propulsion unit allows for shallow, obstructed, or otherwise impeded operation of a vessel through a novel marine propulsion transfer unit that is, or can be, mechanically coupled to an outboard motor or other similar marine motor. A mount for raising and lowering the marine propulsion unit in a generally vertical direction allows for adjustment of operating depth of the marine propulsion unit to accommodate a wide range of operating conditions from shallow and obstructed water to traditional deep water operation.

Classes IPC  ?

• B63H 20/10 - Moyens permettant la modification de l'assiette longitudinale, de la gîte ou le relevage de l'élément propulseur en cas de contact avec un obstacleCommande de l'assiette longitudinale ou de la gîte
• B63H 20/00 - Unités de propulsion hors-bord, p. ex. moteurs hors-bord ou transmissions en ZLeur agencement sur les navires
• B63H 20/28 - Entrées d'eau de refroidissement
• B63H 20/32 - Carters

Produits et services

Boat motors