Patents by Inventor PAVOL PETRACEK

PAVOL PETRACEK has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9451869
    Abstract: A washing machine with a direct drive system including a tub, a drum rotatably mounted inside the tub, a shaft connected to the drum at a first end for transmission of a driving force of a direct drive motor, a coaxial support connected to a rear portion of the tub and having a first seat for a first bearing supporting a second end of the shaft opposite the drum, a stator secured to the coaxial support and having a plurality of magnetic cores, a rotor including permanent magnets and connected to the shaft, and a second bearing for supporting the shaft between the second end and the first end. The tub is made of polymeric material in which a second seat for said second bearing is co-molded.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: September 27, 2016
    Assignee: Whirlpool Corporation
    Inventors: Gerd Maentele, Antonio F. Chiriatti, Pavol Petracek, Kurt Werner
  • Patent number: 8857225
    Abstract: A washing machine with a direct drive motor system including a tub, a drum rotatably mounted inside the tub, a shaft connected to the drum, and a direct drive motor comprising a rotor assembly fastened to the shaft and including magnets positioned in a circumferential direction, and a stator assembly. The stator assembly includes a plurality of magnetic cores and a disc-shaped element including a plurality of finger-shaped portions. Each of the finger-shaped portions has one of the plurality of magnetic cores secured thereto.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: October 14, 2014
    Assignee: Whirlpool Corporation
    Inventors: Ferruccio Barzizza, Antonio Chiriatti, Pavol Petracek, Valentina Cadario
  • Publication number: 20140097230
    Abstract: A washing machine with a direct drive system including a tub, a drum rotatably mounted inside the tub, a shaft connected to the drum at a first end for transmission of a driving force of a direct drive motor, a coaxial support connected to a rear portion of the tub and having a first seat for a first bearing supporting a second end of the shaft opposite the drum, a stator secured to the coaxial support and having a plurality of magnetic cores, a rotor including permanent magnets and connected to the shaft, and a second bearing for supporting the shaft between the second end and the first end. The tub is made of polymeric material in which a second seat for said second bearing is co-molded.
    Type: Application
    Filed: December 12, 2013
    Publication date: April 10, 2014
    Applicant: Whirlpool Corporation
    Inventors: GERD MAENTELE, ANTONIO F. CHIRIATTI, PAVOL PETRACEK, KURT WERNER
  • Patent number: 8616029
    Abstract: A washing machine with a direct drive system including a tub, a drum rotatably mounted inside the tub, a shaft connected to the drum at a first end for transmission of a driving force of a direct drive motor, a coaxial support connected to a rear portion of the tub and having a first seat for a first bearing supporting a second end of the shaft opposite the drum, a stator secured to the coaxial support and having a plurality of magnetic cores, a rotor including permanent magnets and connected to the shaft, and a second bearing for supporting the shaft between the second end and the first end. The tub is made of polymeric material in which a second seat for said second bearing is co-molded.
    Type: Grant
    Filed: June 14, 2010
    Date of Patent: December 31, 2013
    Assignee: Whirlpool Corporation
    Inventors: Gerd Maentele, Antonio Francesco Chiriatti, Pavol Petracek, Kurt Werner
  • Publication number: 20100307202
    Abstract: A washing machine with a direct drive system including a tub, a drum rotatably mounted inside the tub, a shaft connected to the drum at a first end for transmission of a driving force of a direct drive motor, a coaxial support connected to a rear portion of the tub and having a first seat for a first bearing supporting a second end of the shaft opposite the drum, a stator secured to the coaxial support and having a plurality of magnetic cores, a rotor including permanent magnets and connected to the shaft, and a second bearing for supporting the shaft between the second end and the first end. The tub is made of polymeric material in which a second seat for said second bearing is co-molded.
    Type: Application
    Filed: June 14, 2010
    Publication date: December 9, 2010
    Applicant: WHIRLPOOL CORPORATION
    Inventors: GERD MAENTELE, ANTONIO FRANCESCO CHIRIATTI, PAVOL PETRACEK, KURT WERNER
  • Publication number: 20100251783
    Abstract: A washing machine with a direct drive motor system including a tub, a drum rotatably mounted inside the tub, a shaft connected to the drum, and a direct drive motor comprising a rotor assembly fastened to the shaft and including magnets positioned in a circumferential direction, and a stator assembly. The stator assembly includes a plurality of magnetic cores and a disc-shaped element including a plurality of finger-shaped portions. Each of the finger-shaped portions has one of the plurality of magnetic cores secured thereto.
    Type: Application
    Filed: June 16, 2010
    Publication date: October 7, 2010
    Applicant: WHIRLPOOL CORPORATION
    Inventors: FERRUCCIO BARZIZZA, ANTONIO CHIRIATTI, PAVOL PETRACEK, VALENTINA CADARIO