Rotating Gravity Chamber with Support Bearings for Artificial Gravity

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Solution Overview

Problem

Extended exposure to zero-gravity environments in space stations leads to detrimental health effects such as muscle and bone degeneration, necessitating the creation of artificial gravity environments for human occupants.

Innovation Solution

An annular gravity chamber with an outer cylindrical wall, inner cylindrical structure, and opposing side walls that rotates on support bearings to simulate gravitational force, allowing for the creation of an artificial gravity environment within the habitation module, which can be used for exercise, rest, and other activities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a gravity chamber is installed to create artificial gravity environment, then health benefits of crew members are improved, but device complexity and noise are increased

Engineering Contradiction:
Improvehealth benefitsVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The gravity chamber is segmented into modular components including the rotatable chamber section, support bearings, and drive mechanism. This segmentation allows for easier installation, maintenance, and reduced overall system complexity while maintaining the artificial gravity function for crew health

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Support bearings are introduced as intermediary elements between the gravity chamber and the habitation module hull. These bearings facilitate smooth rotation while isolating noise and reducing the direct mechanical complexity of the drive system, thus improving health benefits without proportionally increasing device complexity

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If drive mechanism directly contacts inner cylindrical structure to rotate gravity chamber, then ease of operation is improved, but noise and device complexity are increased

Engineering Contradiction:
Improveease of operationVSAvoidnoise
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The support bearings act as intermediaries between the drive mechanism and the gravity chamber's inner cylindrical structure. The drive mechanism rotates the outer race of the bearings, which in turn rotates the gravity chamber without direct contact. This intermediary arrangement significantly reduces noise transmission while maintaining ease of operation

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The noise-generating direct contact interface is extracted from the system by introducing the bearing intermediary. The drive mechanism operates separately from the gravity chamber structure, with the bearings taking out the harmful noise factor while preserving the rotational function

Inventive Principle:
Principle #2Taking out (Extraction)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The solution effectively mitigates muscle and bone degeneration by providing a healthy artificial gravity environment, enhancing the well-being of crew members through reduced noise and versatile functionality for various activities within the space station.

Implementation Method 1

The force on the human occupant feels like a gravitational pull... where a vessel rotates at a speed that drives a human occupant inside of the vessel toward the outer hull of the vessel

Methodology Applied
Scientific EffectCentrifugal force: Centrifugal Force

Data Source

PatentUS9994338B2Gravity chamber that rotates on support bearings mounted on an outer surface of a hull of a habitation module
Publication Date: 2018.06.12 THE BOEING CO
  • US9994338B2 patent drawing
  • US9994338B2 patent drawing
  • US9994338B2 patent drawing

AI summary

A habitation module with a gravity chamber that provides an artificial gravity environment. In one embodiment, the gravity chamber is annular and includes an outer cylindrical wall, an inner cylindrical structure, and opposing side walls that connect the outer cylindrical wall and the inner cylindrical structure. The gravity chamber attaches to an outer surface of a hull of the habitation module with support bearings. The support bearing includes an inner race attached to the outer surface of the hull, and an outer race attached to the gravity chamber. A drive mechanism drives the outer race of the support bearing to rotate the gravity chamber about an axis to simulate a gravitational force within the gravity chamber.