Patents Assigned to Ing. Enea Mattei S.p.A.
  • Vane compressor with an improved lubrication system
    Patent number: 11713759
    Abstract: Vane compressor comprising a stator, a rotor housed in the stator and provided with a body internally tangent to a side wall of the stator and with a plurality of vanes sliding in respective seats formed in the body of the rotor and pushed in a centrifugal direction to sealingly cooperate with the side wall of the stator, and a lubrication system comprising in combination one or more solid jet nozzles, arranged in the side wall of the stator to direct the solid jet towards the rotor, and at least one axial spray nozzle.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: August 1, 2023
    Assignee: ING. ENEA MATTEI S.P.A.
    Inventors: Giulio Contaldi, Stefano Murgia
  • Oil separator for a compressor and compressor assembly comprising said separator
    Patent number: 11703043
    Abstract: An oil separator for a compressor comprising a tank and a lid for the tank, which comprises, in an integral manner, a valve body defining an outlet duct of the separator, a head of a coalescence filter, a body of an anti-condensate valve, a body of a minimum pressure valve and the relative connection ducts.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: July 18, 2023
    Assignee: ING. ENEA MATTEI S.P.A.
    Inventors: Giulio Contaldi, Stefano Murgia
  • Expander for recovery of thermal energy from a fluid
    Patent number: 9574446
    Abstract: A bladed expander for recovery of thermal energy from a working fluid, comprising a stator provided with an inlet port and an outlet port for the working fluid, a rotor housed within the stator, and a plurality of blades set between the rotor and the stator so as to delimit between them a plurality of compartments with variable volume that increases between the inlet port and the outlet port. The stator and the rotor are subjected to a heat exchange with a hot fluid so as to carry out a transformation of expansion during which the working fluid receives thermal energy from outside.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: February 21, 2017
    Assignee: ING ENEA MATTEI S.p.A.
    Inventor: Giulio Contaldi
  • EXPANDER FOR RECOVERY OF THERMAL ENERGY FROM A FLUID
    Publication number: 20140369877
    Abstract: A bladed expander for recovery of thermal energy from a working fluid, comprising, a stator provided with an inlet port and an outlet port for the working, fluid, a rotor housed within the stator, and a plurality of blades set between the rotor and the stator so as to delimit between them a plurality of compartments with variable volume that increases between the inlet port and the outlet port. The stator and the rotor are subjected to a heat exchange with a hot fluid so as to carry out a transformation of expansion during which the working fluid receives thermal energy from outside.
    Type: Application
    Filed: September 19, 2011
    Publication date: December 18, 2014
    Applicant: ING ENEA MATTEI S.P.A.
    Inventor: Giulio Contaldi
  • Air compressor
    Patent number: D303670
    Type: Grant
    Filed: July 21, 1987
    Date of Patent: September 26, 1989
    Assignee: Ing. Enea Mattei S.p.A.
    Inventor: Boldrini Adolfo
  • Air compressor
    Patent number: D304197
    Type: Grant
    Filed: July 21, 1987
    Date of Patent: October 24, 1989
    Assignee: Ing. Enea Mattei S.p.A.
    Inventor: Adolfo Boldrini
  • Compressor
    Patent number: D882639
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: April 28, 2020
    Assignee: ING. ENEA MATTEI S.P.A.
    Inventors: Giulio Contaldi, Stefano Murgia