PATENT CLAIM ANALYSIS

Application Number: 15932322
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-08
Patent Classification: ["188", "170000"]

Abstract:
A vehicle spring brake having a parking brake housing that defines a parking brake chamber and a service brake housing that defines a service brake chamber. A flexible membrane separates the parking brake chamber from the service brake chamber and flexes into and out of the service brake chamber based upon a pressure differential between an air pressure in the parking brake chamber and an air pressure in the service brake chamber. A pushrod extends out of the service brake housing when the flexible membrane flexes into the service brake chamber and retracts into the service brake housing when the flexible membrane flexes back out of the service brake chamber. A control valve controls the pressure differential to thereby control movement of the flexible membrane and the pushrod.

Claim (Index 21):
A method for operating a vehicle spring brake, the method comprising:\n defining a parking brake chamber with a parking brake housing and a service brake chamber with a service brake housing; positioning a flexible membrane between the parking brake housing and the service brake housing such that the flexible membrane separates the parking brake chamber from the service brake chamber, wherein the flexible membrane flexes into and out of the service brake chamber based upon a pressure differential between an air pressure in the parking brake chamber and an air pressure in the service brake chamber; positioning a pushrod in the service brake chamber such that the push rod extends out of the service brake housing when the flexible membrane flexes into the service brake chamber and retracts into the service brake housing when the flexible membrane flexes back out of the service brake chamber, wherein the pushrod applies a braking force on a vehicle when the pushrod extends out of the service brake housing; and controlling, with a control valve that is coupled to a vehicle air system, the pressure differential to thereby control movement of the flexible membrane and the pushrod.

Metadata:
- Claim Count in Document: 2.0
- Percentile: 88.0
- Lexical Diversity: 3.14286
- Patent Class: 188.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['11218237', '13961022', '12254220', '13465126', '14614804']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8478077117968286
- 35 USC 102 Novelty (BERT): 0.4797759022716081
- Combined Prediction Score: 0.8110045308443066
- Mean Citation Score: 282.245314
- Max Citation Score: 298.55637
- Similarity Product: 231.8568848312724

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