Aircraft engine oil distribution system
AssigneePratt & Whitney Canada Corp.
InventorsMichel Bousquet, Kevin Nguyen, Christopher Gover, Jeremie Barberger
Life of this patent
Estimating the term…
Abstract
An aircraft engine oil distribution system includes a system container, an oil reservoir disposed in the system container, the oil reservoir having a plurality of fins protruding from an inner-surface of a wall of the oil reservoir and extending into the oil reservoir, and a heat exchanger disposed in the system container. The heat exchanger includes a cooling fluid passage defined at least between the one or more walls of the system container and the sidewall of the oil reservoir, a matrix disposed in the cooling fluid passage in heat transfer relationship with the plurality of fins of the oil reservoirs.
Claims20
An aircraft engine oil distribution system, comprising:
- a system container having one or more walls enclosing an internal volume;
- an oil reservoir disposed in the internal volume of the system container and defining an oil-receiving cavity therein for storing liquid oil and a mist of air and oil, the oil reservoir having an oil inlet defined through a wall of the oil reservoir, the oil reservoir having a plurality of fins protruding from an inner surface of the wall and extending into the oil-receiving cavity, the plurality of fins disposed below the oil inlet relative to gravity, the plurality of fins extending from bases to tips, the tips being spaced apart from the inner surface of the wall, the plurality of fins extending peripherally around the oil-receiving cavity in a direction being transverse to an oil flow flowing downwardly from the oil inlet towards a bottom of the oil-receiving cavity;
- and
- a heat exchanger disposed in the internal volume of the system s, the heat exchanger including:
- a cooling fluid passage extending between a cooling fluid inlet and a cooling fluid outlet, the cooling fluid passage defined between the one or more walls of the system container and the wall of the oil reservoir and permitting flow of a cooling fluid therein;
- and
- a matrix disposed in the cooling fluid passage in heat transfer relationship with the plurality of fins of the oil reservoir.
An aircraft engine oil distribution system, comprising:
- a system container having one or more walls enclosing an internal volume;
- an oil reservoir disposed in the internal volume of the system container for storing liquid oil and a mist of air and oil, the oil reservoir having one or more walls;
- and
- a heat exchanger disposed in the internal volume of the system container, the heat exchanger including:
- an intermediate wall extending between the one or more walls of the oil reservoir and the one or more walls of the system container;
- an oil passage fluidly connected between an oil inlet and an oil outlet, the oil passage defined between one of the one or more walls of the system container and the one or more walls of the oil reservoir, and the intermediate wall, the oil inlet fluidly connectable to a source of oil and the oil outlet leading to the oil reservoir, an oil flow flowing along a flow path extending from the source of oil, to the oil passage, and in the oil reservoir, the oil passage having two sections each extending along a respective portion of a periphery of the oil reservoir, the flow path dividing in two flow paths downstream of the oil inlet and both converging towards the oil outlet;
- a cooling fluid passage fluidly connected between a cooling fluid inlet and a cooling fluid outlet, the cooling fluid passage defined between another one of the one or more walls of the system container and the one or more walls of the oil reservoir, and the intermediate wall;
- and
- a matrix disposed in the cooling fluid passage in heat transfer relationship with the intermediate wall, the matrix defining a plurality of fluid passages fluidly connected to the cooling fluid passage, the plurality of fluid passages defined by one or more of microchannels, a lattice structure, and gyroid structures.
Dependencies are inferred from the claim text.