Ronald T Drost

US Patent:

6893240, May 17, 2005

Filed:

Dec 2, 2002

Appl. No.:

10/307802

Inventors:

James W. Bush - Skaneateles NY, US
Clark V. Cooper - Glastonbury CT, US
Ronald T. Drost - Colchester CT, US
Hong Du - Weathersfield CT, US
Harry E. Eaton - Woodstock CT, US
Hussein E. Khalifa - Manlius NY, US
Keshava B. Kumar - S. Windsor CT, US
Reng Rong Lin - Manlius NY, US
Philip H. McCluskey - Dunlap IL, US
Paula R. DeBlois - Tolland CT, US

Assignee:

Carrier Corporation - Farmington CT

International Classification:

F01C021/00

US Classification:

418178, 4182011, 418152

Abstract:

A screw machine () has a rotor housing () defining overlapping bores (--). Female rotor () is located in bore (-) and male rotor () is located in bore (-). A wear resistant coating is deposited on the tips (--) of the rotors. A conformable coating is deposited on the valleys (--) of the rotors. A conformable coating is depsoited on the surface of the bores coacting with the rotors.

US Patent:

6986652, Jan 17, 2006

Filed:

Dec 2, 2002

Appl. No.:

10/307833

Inventors:

James W. Bush - Skaneateles NY, US
Clark V. Cooper - Glastonbury CT, US
Ronald T. Drost - Colchester CT, US
Hong Du - Weathersfield CT, US
Harry E. Eaton - Woodstock CT, US
Hussein E. Khalifa - Manlius NY, US
Keshava B. Kumar - S. Windsor CT, US
Reng Rong Lin - Manlius NY, US
Philip H. McCluskey - Dunlap IL, US

Assignee:

Carrier Corporation - Farmington CT

International Classification:

F01C 21/00

US Classification:

418178, 4182011, 418158

Abstract:

A screw machine () has a rotor housing () defining overlapping bores (--). Female rotor () is located in bore (-) and male rotor () is located in bore (-). A wear resistant coating is deposited on the tips (--) of the rotors. A conformable coating is deposited on the valleys (--) of the rotors. A conformable coating is depsoited on the surface of the bores coacting with the rotors.

US Patent:

6988877, Jan 24, 2006

Filed:

Dec 2, 2002

Appl. No.:

10/307765

Inventors:

James W. Bush - Skaneateles NY, US
Clark V. Cooper - Glastonbury CT, US
Ronald T. Drost - Colchester CT, US
Hong Du - Weathersfield CT, US
Harry E. Eaton - Woodstock CT, US
Hussein E. Khalifa - Manlius NY, US
Keshava B. Kumar - S. Windsor CT, US
Reng Rong Lin - Manlius NY, US
Philip H. McCluskey - Dunlap IL, US

Assignee:

Carrier Corporation - Farmington CT

International Classification:

F01C 21/00

US Classification:

418178, 4182011

Abstract:

A screw machine () has a rotor housing () defining overlapping bores (--). Female rotor () is located in bore (-) and male rotor () is located in bore (-). A wear resistant coating is deposited on the tips (--) of the rotors. A conformable coating is deposited on the valleys (--) of the rotors. A conformable coating is deposited on the surface of the bores coacting with the rotors.

US Patent:

7153111, Dec 26, 2006

Filed:

Dec 2, 2002

Appl. No.:

10/307766

Inventors:

James W. Bush - Skaneateles NY, US
Clark V. Cooper - Glastonbury CT, US
Ronald T. Drost - Colchester CT, US
Hong Du - Weathersfield CT, US
Harry E. Eaton - Woodstock CT, US
Hussein E. Khalifa - Manlius NY, US
Keshava B. Kumar - S. Windsor CT, US
Reng Rong Lin - Manlius NY, US
Philip H. McCluskey - Dunlap IL, US

Assignee:

Carrier Corporation - Farmington CT

International Classification:

F01C 21/00

US Classification:

418178, 4182011

Abstract:

A screw machine () has a rotor housing () defining overlapping bores (--). Female rotor () is located in bore (-) and male rotor () is located in bore (-). A wear resistant coating is deposited on the tips (--) of the rotors. A conformable coating is deposited on the valleys (--) of the rotors. A conformable coating is depsoited on the surface of the bores coacting with the rotors.

US Patent:

6506037, Jan 14, 2003

Filed:

Jun 30, 2000

Appl. No.:

09/607764

Inventors:

James W. Bush - Skaneateles NY
Clark V. Cooper - Glastonbury CT
Ronald T. Drost - Colchester CT
Hong Du - Weathersfield CT
Harry E. Eaton - Woodstock CT
Hussein E. Khalifa - Manlius NY
Keshava B. Kumar - S. Windsor CT
Reng Rong Lin - Manlius NY
Philip H. McCluskey - Dunlap IL
Raymond DeBlois - late of Tolland CT

Assignee:

Carrier Corporation - Syracuse NY

International Classification:

F01C 2100

US Classification:

418178, 4182011, 418152

Abstract:

A screw machine ( ) has a rotor housing ( ) defining overlapping bores ( - - ). Female rotor ( ) is located in bore ( - ) and male rotor ( ) is located in bore ( - ). A wear resistant coating is deposited on the tips ( - - ) of the rotors. A conformable coating is deposited on the valleys ( - - ) of the rotors. A conformable coating is depsoited on the surface of the bores coacting with the rotors.