PATENT CLAIM ANALYSIS

Application Number: 15769048
Application Type: Utility
Filing Date: 2018-04
Publication Date: 2019-02
Patent Classification: ["137", "596170"]

Abstract:
A trip system for a steam turbine closes a trip-and-throttle valve and a control valve of a steam turbine in an emergency. The trip system includes: an emergency shut-off device that shuts off supply of control oil for the trip-and-throttle valve and the control valve to close the trip-and-throttle valve and the control valve; and a drain device that includes a plurality of solenoid valves connected in parallel and drains the control oil by opening the solenoid valves. The emergency shut-off device includes a cylinder, a piston that slides in the cylinder, a spring that applies biasing force to the piston, a plurality of piston valves provided to the piston, and a plurality of chambers formed by the piston valves.

Claim (Index 3):
The trip system for a steam turbine according to  claim 1 , wherein\n the solenoid valves in the drain device include three solenoid valves connected in parallel, and the drain device is controlled to open two of the three solenoid valves during the emergency.

Metadata:
- Claim Count in Document: 11.0
- Percentile: 91.0
- Lexical Diversity: 2.52941
- Patent Class: 137.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15843814', '15528954', '11448895', '15506042', '15272871']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.827294392294865
- 35 USC 102 Novelty (BERT): 0.4867091600892572
- Combined Prediction Score: 0.7932358690743042
- Mean Citation Score: 216.748636
- Max Citation Score: 226.25902
- Similarity Product: 162.43522951018932

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

Dataset: test