The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 18, 2025
Filed:
Nov. 30, 2023
Allison Transmission, Inc., Indianapolis, IN (US);
Ionut Manta, Avon, IN (US);
Nicholas Walke, Indianapolis, IN (US);
Allison Transmission, Inc., Indianapolis, IN (US);
Abstract
Transmissions, park systems for transmissions, and methods for transmissions are envisioned. A transmission includes an input shaft to receive torque from a drive unit, an output shaft to transmit torque to a load, and a park system to selectively brake the output shaft. The park system includes a park assembly, an electro-hydraulic valve assembly to deliver one or more fluid pressures, and an actuation linkage having a piston axially translatable along a longitudinal axis in response to the one or more fluid pressures delivered thereto from the electro-hydraulic valve assembly.