PATENT CLAIM ANALYSIS

Application Number: 15937058
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-07
Patent Classification: ["417", "423120"]

Abstract:
Provided is a centrifugal compressor, including: a impeller; a wall portion having an opposed surface that is spaced apart from and opposed to a back surface of the impeller; an insertion hole, which is formed in the wall portion, and is configured to receive a shaft inserted to the insertion hole; a bearing, which is provided in the insertion hole or apart from the impeller with respect to the insertion hole, and is configured to axially support the shaft through interposition of grease being a lubricant inside; an electric motor which is provided on a side opposite to the impeller over the wall portion; and an opposed hole, which is formed in the wall portion, and has one end opened in the opposed surface and another end opened at a position opposed to a stator of the electric motor on a side opposite to the impeller.

Claim (Index 4):
A centrifugal compressor according to  claim 2 , wherein the opposed hole comprises one or a plurality of opposed holes, and a sum total of an opening area at the one end is larger than an area of a gap formed in the opposed surface between an inner circumferential surface of the insertion hole and the shaft or a rotary member rotated integrally with the shaft.

Metadata:
- Claim Count in Document: 19.0
- Percentile: 90.0
- Lexical Diversity: 2.58065
- Patent Class: 417.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15886302', '15037740', '14391928', '15862032', '15886361']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.770275679935225
- 35 USC 102 Novelty (BERT): 0.4997929158027875
- Combined Prediction Score: 0.7432274035219814
- Mean Citation Score: 204.488398
- Max Citation Score: 212.0329
- Similarity Product: 145.3547258247733

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