Cushion assembly with elastomeric lattice insert

Patent metadata

Field	Value
Publication number	US-2020231285-A1
Application number	US-201916252891-A
Country	US
Kind code	A1
Filing date	Jan 21, 2019
Priority date	Jan 21, 2019
Publication date	Jul 23, 2020
Grant date	—

Abstract

A cushion assembly such as an aircraft passenger seat cushion assembly including a solid foam component and an elastomeric lattice insert disposed in a void in the solid foam component, the elastomeric lattice insert having a compression profile that mimics a predetermined compression profile of a solid foam. The elastomeric lattice insert including repeating like cuboid structures such as interconnected repeating face-centered cube structures, interconnected repeating body-centered cube structures, or interconnected repeating kagome structures. The elastomeric lattice insert may be in thermal communication with an air conditioning system for delivering conditioned air through the elastomeric lattice insert.

First claim

1 . A cushion assembly, comprising:
a solid foam cushion component comprising at least one of open cell foam and closed cell foam; and an elastomeric lattice insert positioned in a void formed in a top surface of the solid foam cushion component, the elastomeric lattice insert having a unit cuboid structure, and the elastomeric insert including a first portion provided in a load-bearing region of the solid foam cushion component and at least one second portion provided outside of the load-bearing region of the solid foam cushion component, the at least one second portion continuous with the first portion and the at least one second portion extending from the first portion to at least one of a lateral extent and a longitudinal extent of the solid foam cushion component.

2 . The cushion assembly of claim 1 , wherein the elastomeric lattice insert comprises a plurality of stacked and interconnected repeating ones of cuboid structures.

3 . The cushion assembly of claim 2 , wherein each of the cuboid structures has a unit cell length from 0.4 cm to 1.15 cm.

4 . The cushion assembly of claim 2 , wherein each of the cuboid structures is identical and is one of a face-centered cube structure, a body-centered cube structure, and a kagome structure.

5 . The cushion assembly of claim 1 , wherein the elastomeric lattice insert is a polyurethane resin.

6 - 8 . (canceled)

9 . The cushion assembly of claim 1 , wherein the cushion assembly is a component of an aircraft passenger seat, a partition, a monument or an ottoman.

10 . An aircraft passenger seat bottom cushion assembly, comprising:
a solid foam cushion component comprising at least one of open cell foam and closed cell foam; and an elastomeric lattice insert positioned in a void formed in a top surface of the solid foam cushion component, the elastomeric lattice insert having a unit cuboid structure, and the elastomeric insert including a first portion provided in a load-bearing region of the solid foam cushion component and at least one second portion provided outside of the load-bearing region of the solid foam cushion component, the at least one second portion continuous with the first portion and the at least one second portion extending from the first portion to at least one of a lateral extent and a longitudinal extent of the solid foam cushion component.

11 . The aircraft passenger seat bottom cushion assembly of claim 10 , wherein the elastomeric lattice insert comprises a plurality of stacked and interconnected repeating ones of cuboid structures each having a unit cell length from 0.4 cm to 1.15 cm.

12 . The aircraft passenger seat bottom cushion assembly of claim 11 , wherein each of the cuboid structures is identical and is one of a face-centered cube structure, a body-centered cube structure, and a kagome structure.

13 - 14 . (canceled)

15 . An aircraft passenger seat cushion system, comprising:
a seat cushion assembly including a solid foam cushion component and an elastomeric lattice insert positioned in a void formed in a top surface of the solid foam cushion component, the elastomeric lattice insert having a unit cuboid structure, and the elastomeric insert including a first portion provided in a load-bearing region of the solid foam cushion component and at least one second portion provided outside of the load-bearing region of the solid foam cushion component, the at least one second portion continuous with the first portion and the at least one second portion extending from the first portion to at least one of a lateral extent and a longitudinal extent of the solid foam cushion component; and an air conditioning system in thermal communication with the elastomeric lattice insert operable for delivering conditioned air through the elastomeric lattice insert.

16 . The aircraft passenger seat cushion system of claim 15 , wherein the air conditioning system is operable for at least one of heating and cooling air, and includes a duct in fluid communication with the elastomeric lattice insert operable for directing conditioned air through the elastomeric lattice insert, and a fan for supplying the conditioned air to the duct.

17 . The aircraft passenger seat cushion system of claim 16 , wherein the air conditioning system further comprises a temperature sensor disposed within or adjacent to the elastomeric lattice insert operable for sensing air temperature in an interior portion of the elastomeric lattice insert.

18 . The aircraft passenger seat cushion system of claim 17 , wherein the air conditioning system further comprises a controller communicatively coupled to the temperature sensor, the fan, and at least one of a heater and a cooler, the controller configured to receive the sensed air temperature and in response activate the fan and one of the heater and the cooler to deliver that conditioned air through the elastomeric lattice insert.

19 . The aircraft passenger seat cushion system of claim 15 , wherein the elastomeric lattice insert comprises a plurality of stacked and interconnected repeating ones of the cuboid structures each having a unit cell length from 0.4 cm to 1.15 cm, and each of the cuboid structures being identical and one of a face-centered cube structure, a body-centered cube structure, and a kagome structure.

20 . (canceled)

Assignees

• Be Aerospace Inc

Inventors

• Udriste Daniel I
• Puglisi Stephen A

Classifications

• B64D11/06 Primary

  Arrangements of seats, or adaptations or details specially adapted for aircraft seats (crew seat constructions for emergency purposes B64D25/04) · CPC title

• B64D11/0626

  with individual temperature or ventilation control · CPC title

• B64D11/0649

  Seats characterised by special features for reducing weight · CPC title

• B60N2/5642

  with circulation of air through a layer inside the seat · CPC title

• A47C7/746

  without active means, e.g. with openings or heat conductors · CPC title