PATENT CLAIM ANALYSIS

Application Number: 15761627
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-12
Patent Classification: ["137", "527000"]

Abstract:
A shaft sealing device according to one aspect of the present disclosure includes a flow passage pipe, a rotating portion, a valve, a shaft seal, and a flow passage seal. The flow passage pipe includes a gas flow passage therein, and a through hole that communicates an interior of the flow passage with an exterior of the flow passage. The rotating portion is inserted into and held in the through hole, and rotates about a rotation axis that is preset. The valve opens and closes at least one portion of the flow passage in accordance with rotation of the rotating portion. The shaft seal is arranged along an outer circumference of the rotating portion and protrudes therefrom. The flow passage seal is arranged between the flow passage pipe and the rotating portion, and surrounds the rotating portion to have a linear contact with the shaft seal.

Claim (Index 15):
The shaft sealing device according to  claim 7 ,\n wherein when the virtual plane of the shaft sealing device crosses the shaft sealing device along the rotation axis, the shaft seal and the flow passage seal comprise contact portions that are positioned in opposing sides across the rotating portion, and wherein the shaft seal is configured to bear in respective contact portions respective forces that direct toward the rotation axis or respective forces that direct oppositely with respect to the rotation axis.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 90.0
- Lexical Diversity: 2.60656
- Patent Class: 137.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['13262787', '11630933', '14905847', '14357913', '14217688']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8553515472016735
- 35 USC 102 Novelty (BERT): 0.4699400809586879
- Combined Prediction Score: 0.8168104005773749
- Mean Citation Score: 182.029724
- Max Citation Score: 193.33188
- Similarity Product: 140.34073990503072

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