PATENT CLAIM ANALYSIS

Application Number: 15891099
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-06
Patent Classification: ["029", "889100"]

Abstract:
A method for performing uptower maintenance of a wind turbine in order to replace the main bearing on the turbine shaft is disclosed. Embodiments of this method to perform maintenance may include installing a rotor lock to resist rotation of the main shaft during maintenance, providing a lifting device in order to elevate the main shaft, removing the main bearing from its main bearing housing, and installing a replacement split main bearing. A crane may also be installed uptower to assist in the maintenance.

Claim (Index 33):
The method of  claim 32 , wherein said installing the split main bearing comprises installing the replacement bottom portion, securing the pair of semicircular inner races about the main shaft, positioning the pair of at least one pair of rollers about the pair of semicircular inner races, and securing the pair of semicircular outer races about the at least one pair of rollers thereby securing the pair of semicircular inner races, the at least one pair of rollers, and the pair of semicircular outer races together about the main shaft, lowering the main shaft, and installing the replacement top portion bearing.

Metadata:
- Claim Count in Document: 5.0
- Percentile: 88.0
- Lexical Diversity: 1.8
- Patent Class: 29.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['14507429', '15007478', '14034763', '12263068', '15498682']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8796653058310936
- 35 USC 102 Novelty (BERT): 0.560234304553226
- Combined Prediction Score: 0.8477222057033069
- Mean Citation Score: 266.74660800000004
- Max Citation Score: 444.55627
- Similarity Product: 363.2787467269468

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

Dataset: test