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propulsion system

A technology of propulsion system and machine, applied in the field of marine ships, can solve the problems of unable to provide the flexibility of the propeller, not to provide and so on

Active Publication Date: 2019-05-07
PERKINS ENGINES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The system also does not provide flexibility in propeller speed when the engine is running at full speed
In addition, no means are provided for increasing the speed of the propeller beyond the speed at which the electric motor and engine can provide maximum power to the propeller

Method used

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Embodiment Construction

[0028] The present invention generally relates to a propulsion system comprising at least one power unit operatively connected to a transmission by a mechanical path and / or by an alternate path, such as a hydraulic or electrical path. The invention also relates to a propulsion system wherein the power unit drives or powers a planetary gearbox. The invention also relates to a propulsion system comprising two power units and a power unit transmission adapted to distribute the power output of the two power units via a mechanical path and / or via an alternate path. The propulsion system is especially suitable for marine vessels.

[0029] In the following description, the term "operably connected" means that one component drives another component, for example by using a coupling device. The coupling device may include meshing gears, connecting shafts, torque converters, clutches, transmissions, and any other suitable means for transmitting power.

[0030]The following exemplary em...

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Abstract

The present invention relates to a propulsion system suitable for work machines, especially marine vessels. The propulsion system includes a transmission configured to provide a power output and at least one first energy conversion machine. The propulsion system also includes at least one power unit operable to selectively drive the transmission and / or the at least one first energy conversion machine. There is also provided at least one second energy conversion machine operable to selectively drive or be driven by the transmission. A power transfer device is also provided for transferring power between the first energy conversion machine and the second energy conversion machine.

Description

technical field [0001] The present invention relates to a propulsion system for a work machine. In one embodiment, the propulsion system includes a power unit that provides power to a transmission via a mechanical and / or alternate path, and the transmission provides a power output. In another embodiment, the propulsion system includes a power unit driving a planetary gearbox. The propulsion system is especially suitable for marine vessels. Background technique [0002] Propulsion systems for work machines typically include one or more power units, such as gas turbines and engines. Such work machines include vehicles such as marine vessels, aircraft or land vehicles. The power output from the power unit may, for example, provide required loads to passenger cabin loads, operator living quarters or work tools. Exemplary work tools include cranes, drills, bow or stern propellers, grabs, buckets, and backhoes. If the work machine is a vehicle, the power may provide propulsio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63H21/20B60K6/08B60K6/442
CPCB63H21/20B63H2021/202B60K6/365B60K6/445F16H47/04B63H21/17Y10S903/91Y02T10/62Y02T70/5236B60K1/02B60K6/08B60K6/20B60K6/442B60K17/08B60Y2200/92B60Y2300/182B60Y2400/73B63H2021/205B63H2021/207F16H3/724H02K7/1807
Inventor I·斯特雷西尼M·克罗宁
Owner PERKINS ENGINES