# US 10,502,320 B2 · Spring retainer seal

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- Number: US 10,502,320 B2
- Document ID: US10502320B2
- Status: Granted
- Kind: B2
- Application number: 14/842,570
- Filed: 2015-09-01
- Published: 2016-03-03
- Granted: 2019-12-10
- Earliest claimed: 2014-09-02
- Assignees: Rohr, Inc.
- Applicants: Rohr, Inc.
- Inventors: Bryan D. Ritoper; Kushal H. Patel; Jesse E. Turner; Michael Aten
- Web page: https://patentgrep.com/patent/US10502320B2

## CPC

- F16J 15/065: {fire resistant}
- F16J 15/104: {characterised by structure}
- F16J 15/128: {with metal covering}
- F16J: PISTONS {(specially adapted for dampers F16F9/32)}; CYLINDERS; SEALINGS

## Abstract

Aspects of the disclosure are directed to a system for isolating at least one of a fire zone and a high-pressure zone from at least one of a non-fire zone and a low-pressure zone, comprising a seal and a flexible spring retainer coupled to the seal that is configured to bias the seal. The biasing may be based in terms of a compression of the seal within a predetermined range of compression. A shielding of the seal from the at least one of the fire zone and the high-pressure zone may be provided.

## Claims

### Claim 1

A system for isolating at least one of a fire zone and a high-pressure zone from at least one of a non-fire zone and a low-pressure zone, comprising:
a seal, at least a portion of the seal configured in a shape of a bulb; and
a flexible spring retainer coupled to the seal that is configured to bias the seal;
the flexible spring retainer comprising a cantilevered spring element and a retainer element and
a second portion of the seal positioned between and physically separating the cantilevered spring element from the retainer element.

### Claim 2 (depends on 1)

The system of claim 1, wherein the bulb is integrated with an elastomer backing that couples to the spring retainer.

### Claim 3 (depends on 1)

The system of claim 1, wherein the spring retainer is configured to interface with the at least one of the fire zone and the high-pressure zone.

### Claim 4 (depends on 3)

The system of claim 3, wherein the spring retainer is configured to substantially shield the seal from the at least one of the fire zone and the high-pressure zone.

### Claim 5 (depends on 1)

The system of claim 1, wherein the spring retainer is feathered so as to include at least one slot.

### Claim 6 (depends on 5)

The system of claim 5, further comprising:
an elastomer that over-molds the spring retainer.

### Claim 7 (depends on 5)

The system of claim 5, further comprising:
a sheet of metal comprising at least one slot that is overlapped with the spring retainer such that the at least one slot in the sheet of metal does not coincide with the at least one slot of the spring retainer.

### Claim 8 (depends on 1)

The system of claim 1, wherein the seal is configured to couple to a pylon of a thrust reverser.

### Claim 9 (depends on 1)

The system of claim 1, wherein the spring retainer is configured to couple to a seal retainer of a thrust reverser.

### Claim 10 (depends on 1)

The system of claim 1, wherein the spring retainer is configured to principally act or respond to accommodate most of a deflection caused by an opening or closing of a thrust reverser, and wherein the seal is configured to provide any additional action or response that is needed in accommodating the deflection.

### Claim 11 (depends on 1)

The system of claim 1, wherein
the at least the portion of the seal configured in the shape of the bulb comprises a seal first segment and a seal second segment;
the seal first segment extends along the flexible spring retainer; and
the seal second segment is connected to the flexible spring retainer through the seal first segment, and a cavity is formed between the seal first segment and the seal second segment.

### Claim 12 (depends on 1)

The system of claim 1, wherein the at least a portion of the seal configured in the shape of the bulb is located at a distal end of the cantilevered spring element.