PATENT CLAIM ANALYSIS

Application Number: 15955921
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2018-10
Patent Classification: ["188", "282100"]

Abstract:
An aircraft landing gear shock absorbing strut having an outer cylinder and a sliding tube coupled within the cylinder bore to move between compressed and extended conditions. The cylinder and tube define a variable-volume internal chamber. The internal chamber is divided into a first spring chamber and a second spring chamber. The first spring chamber is a pneumatic chamber containing a first gas that is compressed when the strut moves from the extended condition to the compressed condition to provide compression damping. The second spring chamber contains a second gas and a hydraulic liquid, and is configured to compress the second gas when the strut moves from the extended condition to the compressed condition. The second spring chamber contains one or more damping orifices through which the oil passes as the strut extends to provide recoil damping during extension of the strut.

Claim (Index 1):
An aircraft landing gear shock absorbing strut comprising:\n an outer cylinder defining a bore; a sliding tube slidably coupled within the bore to move between a first position, which corresponds to the shock absorbing strut being in a compressed condition, and a second position, which corresponds to the shock absorbing strut being in an extended condition, the outer cylinder and sliding tube together defining an internal chamber that varies in volume in accordance with the extension state of the shock absorbing strut, wherein the shock absorbing strut is arranged to divide the internal chamber into a first spring chamber and a second spring chamber, the first spring chamber being a pneumatic chamber containing a first gas, the first spring chamber being arranged to force the first gas through a flow restrictor when the shock absorbing strut moves from the extended condition to the compressed condition to provide compression damping to the shock absorbing strut, the second spring chamber containing a second gas and a hydraulic liquid, the second spring chamber being arranged to compress the second gas when the shock absorbing strut moves from the extended condition to the compressed condition, the second spring chamber containing one or more damping orifices through which the oil passes as the shock absorbing strut extends to provide recoil damping during extension of the shock absorbing strut.

Metadata:
- Claim Count in Document: 7.0
- Percentile: 91.0
- Lexical Diversity: 2.19118
- Patent Class: 188.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['12358007', '15639245', '10671425', '12737483', '13963817']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8261887131696828
- 35 USC 102 Novelty (BERT): 0.4976348360062446
- Combined Prediction Score: 0.793333325453339
- Mean Citation Score: 303.55782
- Max Citation Score: 331.9372600000001
- Similarity Product: 257.55651267909417

Labels:
- Claim Label 101: 1
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 0
- Label 101 Adjusted: 1

Dataset: test