Hydraulic circuit of a servo-assisted mechanical transmission

Abstract

A hydraulic circuit (19) of a servo-assisted mechanical transmission (4), which is provided with a number of hydraulic actuators (13,14,15) provided with corresponding actuation chambers (17) adapted to be filled with pressurized oil; the hydraulic circuit (19) is provided with: a number of solenoid valves (20), each of which is coupled to a corresponding actuation chamber (17) of a hydraulic actuator (13,14,15); a tank (21), which contains the oil at atmospheric pressure and is provided with an upper loading aperture (24); a cap (25), which closes the loading aperture (24) of the tank (21) and is provided with a through venting hole (26) which puts the tank (21) into communication with the external environment; a filtering element (27), which is coupled to the cap (25) and is arranged under the venting hole (26); a hydraulic accumulator (22) containing the pressurized oil; and an electric pump (23) which draws from the tank (21) and feeds the hydraulic accumulator (22).


Classe Tecnologica

F - Mechanical engineering, lighting, heating, weapons, blasting

Patent Office

United States Patent and Trademark Office


Numero Deposito

US8122713

Anno Deposito

2007

Anno Concessione

2009


Inventori Pugliesi

  • Pepe Giovanni

Tutti gli inventori

  • Giovanni Pepe
  • Pasquale Palumbo

Titolari pugliesi

  • Non ci sono titolari pugliesi

Tutti i titolari

  • Magneti Marelli S.p.A.