# US 8,783,010 B2 · Cascade type thrust reverser having a pivoting door

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- Number: US 8,783,010 B2
- Document ID: US8783010B2
- Status: Granted
- Kind: B2
- Application number: 13/662,926
- Filed: 2012-10-29
- Published: 2013-03-07
- Granted: 2014-07-22
- Earliest claimed: 2010-04-28
- Assignees: Aircelle
- Applicants: Aircelle
- Inventors: Denis Guillois; Laurent Albert Blin; Löic Chapelain
- Web page: https://patentgrep.com/patent/US8783010B2

## CPC

- F02K 1/60: by blocking the rearward discharge by means of pivoted eyelids or clamshells, e.g. target-type reversers
- B64D 33/04: of exhaust outlets or jet pipes
- F02K 1/70: using thrust reverser flaps or doors mounted on the fan housing
- F02K 1/763: {with actuating systems or actuating devices; Arrangement of actuators for thrust reversers}
- Y02T 50/60: Efficient propulsion technologies, e.g. for aircraft
- F02K: JET-PROPULSION PLANTS (features of jet-propulsion plants common to gas-turbine plants, air intakes or fuel supply control of air-breathing jet-propulsion plants F02C7/00, F02C9/00)
- B64D: EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION

## Abstract

A thrust reverser with doors having at least one stationary structure is provided, on which at least one door is mounted pivoting between a closed position in which the door closes the reverser and makes up an outer cowling part, and an open position in which the door opens a passage in the stationary structure and can at least partially block a flow of air generated by a turbojet engine so as to reorient the door. The stationary structure includes at least two sets of cascade vanes that can be covered by the door when in the closed position.

## Claims

### Claim 1

A thrust reverser with doors having at least one stationary structure, on which at least one door is mounted pivoting between a closed position in which the at least one door closes the reverser and makes up an outer cowling part, and an open position in which the at least one door opens a side opening of the stationary structure and at least partially blocks a flow of air generated by a turbofan engine so as to reorient the air flow, wherein the stationary structure comprises at least two sets of cascade vanes being covered by longitudinal slots formed along opposed edges of the at least one door when in the closed position and being laterally arranged at each side of the door.

### Claim 2 (depends on 1)

The thrust reverser according to claim 1, wherein the at least one door is equipped with at least one deflector insert at an upstream end thereof.

### Claim 3 (depends on 2)

The thrust reverser according to claim 2, wherein the deflector insert is arranged in a plane substantially perpendicular to a plane of the at least one door.

### Claim 4 (depends on 2)

The thrust reverser according to claim 2, wherein the deflector insert is mounted to be retractable in the closed position of the at least one door so as not to penetrate a tunnel of the turbofan engine.

### Claim 5 (depends on 1)

The thrust reverser according to claim 1, wherein the thrust reverser further includes two reverser doors, arranged on either side of a longitudinal axis of a nacelle.

### Claim 6 (depends on 1)

The thrust reverser according to claim 1, wherein the thrust reverser comprises a single reverser door.

### Claim 7 (depends on 1)

A turbofan engine nacelle, wherein it is equipped with at least one thrust reverser system according to claim 1.