Patents by Inventor Daniel J. KNOTH

Daniel J. KNOTH 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).

  • Publication number: 20260028989
    Abstract: A compressor may include first and second scrolls and a capacity-modulation system. The first and second scrolls include first and second end plates and first and second spiral wraps. The second end plate may define a suction inlet, a discharge passage, a modulation port, and a vent passage. The capacity-modulation system may include a control valve and a piston. The control valve is movable between first and second positions. The piston may be disposed within a recess in the second end plate and is movable between an open position in which communication between the modulation port and the vent passage is allowed and a closed position in which communication between the modulation port and the vent passage is prevented. Moving the control valve to the first position moves the piston to the closed position. Moving the control valve to the second position moves the piston to the open position.
    Type: Application
    Filed: September 29, 2025
    Publication date: January 29, 2026
    Applicant: Copeland LP
    Inventors: Jeff A. BIRKEMEIER, Brandon H. BERCOT, Daniel J. KNOTH
  • Publication number: 20260028990
    Abstract: A compressor may include first and second scrolls and a capacity-modulation system. The first and second scrolls include first and second end plates and first and second spiral wraps. The second end plate may define a suction inlet, a discharge passage, a modulation port, and a vent passage. The capacity-modulation system may include a control valve and a piston. The control valve is movable between first and second positions. The piston may be disposed within a recess in the second end plate and is movable between an open position in which communication between the modulation port and the vent passage is allowed and a closed position in which communication between the modulation port and the vent passage is prevented. Moving the control valve to the first position moves the piston to the closed position. Moving the control valve to the second position moves the piston to the open position.
    Type: Application
    Filed: September 29, 2025
    Publication date: January 29, 2026
    Applicant: Copeland LP
    Inventors: Jeff A. BIRKEMEIER, Brandon H. Bercot, Daniel J. Knoth
  • Publication number: 20260028988
    Abstract: A compressor may include first and second scrolls and a capacity-modulation system. The first and second scrolls include first and second end plates and first and second spiral wraps. The second end plate may define a suction inlet, a discharge passage, a modulation port, and a vent passage. The capacity-modulation system may include a control valve and a piston. The control valve is movable between first and second positions. The piston may be disposed within a recess in the second end plate and is movable between an open position in which communication between the modulation port and the vent passage is allowed and a closed position in which communication between the modulation port and the vent passage is prevented. Moving the control valve to the first position moves the piston to the closed position. Moving the control valve to the second position moves the piston to the open position.
    Type: Application
    Filed: September 29, 2025
    Publication date: January 29, 2026
    Applicant: Copeland LP
    Inventors: Jeff A. BIRKEMEIER, Brandon H. BERCOT, Daniel J. KNOTH
  • Publication number: 20250327449
    Abstract: A compressor may include first and second scrolls and a capacity-modulation system. The first and second scrolls include first and second end plates and first and second spiral wraps. The second end plate may define a suction inlet, a discharge passage, a modulation port, and a vent passage. The capacity-modulation system may include a control valve and a piston. The control valve is movable between first and second positions. The piston may be disposed within a recess in the second end plate and is movable between an open position in which communication between the modulation port and the vent passage is allowed and a closed position in which communication between the modulation port and the vent passage is prevented. Moving the control valve to the first position moves the piston to the closed position. Moving the control valve to the second position moves the piston to the open position.
    Type: Application
    Filed: April 15, 2025
    Publication date: October 23, 2025
    Applicant: Copeland LP
    Inventors: Jeff A. BIRKEMEIER, Brandon H. Bercot, Daniel J. Knoth
  • Patent number: 11136977
    Abstract: A compressor may include a non-orbiting scroll, an orbiting scroll, a bearing housing and first and second discrete keys. The non-orbiting scroll may include a first end plate having a first spiral wrap extending therefrom. The orbiting scroll may include a second end plate having a second spiral wrap extending therefrom and meshingly engaged with the first spiral wrap of the non-orbiting scroll. The bearing housing may support the orbiting scroll. Each of the first and second keys may be slidably engaged in first slots formed in the second end plate of the orbiting scroll and slidably engaged in second slots formed in the first end plate of the non-orbiting scroll or third slots formed in the bearing housing.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: October 5, 2021
    Assignee: Emerson Climate Technologies, Inc.
    Inventors: Vinayak N. Nagulpelli, Brian J. Knapke, Daniel J. Knoth
  • Publication number: 20200208632
    Abstract: A compressor may include a non-orbiting scroll, an orbiting scroll, a bearing housing and first and second discrete keys. The non-orbiting scroll may include a first end plate having a first spiral wrap extending therefrom. The orbiting scroll may include a second end plate having a second spiral wrap extending therefrom and meshingly engaged with the first spiral wrap of the non-orbiting scroll. The bearing housing may support the orbiting scroll. Each of the first and second keys may be slidably engaged in first slots formed in the second end plate of the orbiting scroll and slidably engaged in second slots formed in the first end plate of the non-orbiting scroll or third slots formed in the bearing housing.
    Type: Application
    Filed: May 6, 2019
    Publication date: July 2, 2020
    Applicant: Emerson Climate Technologies, Inc.
    Inventors: Vinayak N. NAGULPELLI, Brian J. KNAPKE, Daniel J. KNOTH
  • Patent number: 10344804
    Abstract: A compressor includes a shell, a compression mechanism, a motor assembly, a driveshaft, and a bearing assembly. The driveshaft is drivingly engaged with the motor assembly and the compression mechanism for rotation about an axis and extends from a first end to a second end. The bearing assembly is disposed within the shell and supports the driveshaft for rotation. The bearing assembly includes a bracket, a hub, and a bushing. The bracket is coupled to the shell and includes an aperture. The hub is disposed within the aperture and defines a bore having a radially inwardly extending lip. The bushing includes a first portion and a second portion. The second portion of the bushing includes a plurality of radially extending engagement features. The second portion of the bushing is disposed within the bore of the hub such that the engagement features engage the lip of the hub.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: July 9, 2019
    Assignee: Emerson Climate Technologies, Inc.
    Inventors: Daniel J. Knoth, Nicholas J. Altstadt
  • Publication number: 20180347633
    Abstract: A compressor includes a shell, a compression mechanism, a motor assembly, a driveshaft, and a bearing assembly. The driveshaft is drivingly engaged with the motor assembly and the compression mechanism for rotation about an axis and extends from a first end to a second end. The bearing assembly is disposed within the shell and supports the driveshaft for rotation. The bearing assembly includes a bracket, a hub, and a bushing. The bracket is coupled to the shell and includes an aperture. The hub is disposed within the aperture and defines a bore having a radially inwardly extending lip. The bushing includes a first portion and a second portion. The second portion of the bushing includes a plurality of radially extending engagement features. The second portion of the bushing is disposed within the bore of the hub such that the engagement features engage the lip of the hub.
    Type: Application
    Filed: August 8, 2018
    Publication date: December 6, 2018
    Applicant: Emerson Climate Technologies, Inc.
    Inventors: Daniel J. KNOTH, Nicholas J. ALTSTADT
  • Patent number: 10047799
    Abstract: A compressor includes a shell, a motor assembly, a driveshaft, and a bearing assembly. The bearing assembly is disposed within the shell and supports the driveshaft for rotation. The bearing assembly includes a bracket, a hub, and a bushing. The bracket is coupled to the shell and includes an aperture. The hub is disposed within the aperture and defines a bore having a radially inwardly extending lip. The bushing includes a proximal portion and a distal portion. The distal portion of the bushing includes a plurality of radially extending engagement features. The distal portion of the bushing is disposed within the bore of the hub such that the engagement features engage the lip of the hub.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: August 14, 2018
    Assignee: Emerson Climate Technologies, Inc.
    Inventors: Daniel J. Knoth, Nicholas J. Altstadt
  • Publication number: 20170097048
    Abstract: A compressor includes a shell, a motor assembly, a driveshaft, and a bearing assembly. The bearing assembly is disposed within the shell and supports the driveshaft for rotation. The bearing assembly includes a bracket, a hub, and a bushing. The bracket is coupled to the shell and includes an aperture. The hub is disposed within the aperture and defines a bore having a radially inwardly extending lip. The bushing includes a proximal portion and a distal portion. The distal portion of the bushing includes a plurality of radially extending engagement features. The distal portion of the bushing is disposed within the bore of the hub such that the engagement features engage the lip of the hub.
    Type: Application
    Filed: April 6, 2016
    Publication date: April 6, 2017
    Applicant: Emerson Climate Technologies, Inc.
    Inventors: Daniel J. KNOTH, Nicholas J. ALTSTADT