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:
Jun. 22, 2021
Filed:
Mar. 07, 2019
Marelli Europe S.p.a., Corbetta, IT;
Lorenzo Guiduzzi, Bologna, IT;
Stefano Musolesi, San Giovanni In Persiceto, IT;
Federico Caroti, Bologna, IT;
MARELLI EUROPE S.p.A., Corbetta, IT;
Abstract
A throttle valve having: a valve body; an intake duct obtained in the valve body; a throttle plate arranged in the intake duct; a shaft mounted so as to rotate, supporting the throttle plate; an electric motor; a gear transmission, which couples the electric motor to the shaft and has an end gear which is integral with the shaft; a return spring, which is designed to rotate the throttle plate towards a closing position; a striking element, which is obtained in the valve body and establishes an intermediate position of partial opening; and a countering spring, mounted on the end gear, which is designed to rotate the throttle plate towards the intermediate position and has one end which is designed to rest against the striking element during the rotation of the end gear.