Aquatic jet propulsion device

An aquatic jet propulsion device comprising:

• a portable main control module including a main controller and a main two-way communication device;
• a first submersible propulsion unit including a first motor, a first battery electrically connected to the first motor and a first motor controller operatively connected to the first motor to control a speed of the first motor;
• a first sub-two-way communication device configured to communicate with the main two-way communication device;
• a second submersible propulsion unit including a second motor, a second battery electrically connected to the second motor and a second motor controller operatively connected to the second motor to control a speed of the second motor;
• and
• a second sub-two-way communication device configured to communicate with the main two-way communication device,
• the main controller being programmed to output a first control signal to control the speed of the first motor of the first submersible propulsion unit via the first motor controller based on a first feedback signal containing first propulsion unit data that is received from the first sub-two-way communication device,
• the main controller being programmed to output a second control signal to control the speed of the second motor of the second submersible propulsion unit via the second motor controller based on a second feedback signal containing second propulsion unit data that is received from the second sub-two-way communication device,
• the main controller being programmed to independently control the speeds of the first and second motors of the first and second submersible propulsion units,
• the first and second sub-two-way communication devices being programmed to transmit first and second motor condition data as the first and second propulsion unit data, respectively, to the main two-way communication device, and
• the main controller being programmed to use the first and second motor condition data to control the speeds of the first and second motors of the first and second submersible propulsion units to be substantially equal.

An aquatic jet propulsion device comprising:

• a portable main control module including a main controller and a main two-way communication device;
• a first submersible propulsion unit including a first motor, a first battery electrically connected to the first motor and a first motor controller operatively connected to the first motor to control a speed of the first motor;
• a first sub-two-way communication device configured to communicate with the main two-way communication device;
• a second submersible propulsion unit including a second motor, a second battery electrically connected to the second motor and a second motor controller operatively connected to the second motor to control a speed of the second motor;
• and
• a second sub-two-way communication device configured to communicate with the main two-way communication device,
• the main controller being programmed to output a first control signal to control the speed of the first motor of the first submersible propulsion unit via the first motor controller based on a first feedback signal containing first propulsion unit data that is received from the first sub-two-way communication device,
• the main controller being programmed to output a second control signal to control the speed of the second motor of the second submersible propulsion unit via the second motor controller based on a second feedback signal containing second propulsion unit data that is received from the second sub-two-way communication device,
• the main controller being programmed to independently control the speeds of the first and second motors of the first and second submersible propulsion units,
• the main controller being programmed to adjust the speed of one of the first and second motors of the first and second submersible propulsion units based on the other of the first and second motors of the first and second submersible propulsion units upon determining the other of the first and second motors of the first and second submersible propulsion units has a smaller speed output than the one of the first and second motors of the first and second submersible propulsion units.

An aquatic jet propulsion device comprising:

• a portable main control module including a main controller and a main two-way communication device;
• a first submersible propulsion unit including a first motor, a first battery electrically connected to the first motor and a first motor controller operatively connected to the first motor to control a speed of the first motor;
• a first sub-two-way communication device configured to communicate with the main two-way communication device;
• a second submersible propulsion unit including a second motor, a second battery electrically connected to the second motor and a second motor controller operatively connected to the second motor to control a speed of the second motor;
• and
• a second sub-two-way communication device configured to communicate with the main two-way communication device,
• the main controller being programmed to output a first control signal to control the speed of the first motor of the first submersible propulsion unit via the first motor controller based on a first feedback signal containing first propulsion unit data that is received from the first sub-two-way communication device,
• the main controller being programmed to output a second control signal to control the speed of the second motor of the second submersible propulsion unit via the second motor controller based on a second feedback signal containing second propulsion unit data that is received from the second sub-two-way communication device,
• the main controller being programmed to independently control the speeds of the first and second motors of the first and second submersible propulsion units,
• the main controller being programmed to adjust the speed of one of the first and second motors of the first and second submersible propulsion units based on the other of the first and second motors of the first and second submersible propulsion units upon determining the other of the first and second motors of the first and second submersible propulsion units has a smaller battery capacity than the one of the first and second motors of the first and second submersible propulsion units.

An aquatic jet propulsion device comprising:

• a portable main control module including a main controller and a main two-way communication device;
• a first submersible propulsion unit including a first motor, a first battery electrically connected to the first motor and a first motor controller operatively connected to the first motor to control a speed of the first motor;
• a first sub-two-way communication device configured to communicate with the main two-way communication device;
• a second submersible propulsion unit including a second motor, a second battery electrically connected to the second motor and a second motor controller operatively connected to the second motor to control a speed of the second motor;
• and
• a second sub-two-way communication device configured to communicate with the main two-way communication device,
• the main controller being programmed to output a first control signal to control the speed of the first motor of the first submersible propulsion unit via the first motor controller based on a first feedback signal containing first propulsion unit data that is received from the first sub-two-way communication device,
• the main controller being programmed to output a second control signal to control the speed of the second motor of the second submersible propulsion unit via the second motor controller based on a second feedback signal containing second propulsion unit data that is received from the second sub-two-way communication device, and
• the main controller being programmed to make a turn by reversing thrust of one of the first and second motors of the first and second submersible propulsion units while maintaining thrust of the other of the first and second motors of the first and second submersible propulsion units in a forward direction.