Inventor
FRASER BRUCE A
US30 patents
⚠️ This page may combine multiple inventors who share the name “FRASER BRUCE A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CARRIER CORP
18 patentsUS6102680AAug 15, 2000
Suction valve with release timing chamber
CARRIER CORP59 citations95
US6739853B1May 25, 2004
Compact control mechanism for axial motion control valves in helical screw compressors
CARRIER CORP22 citations92
US6565336B1May 20, 2003
Normally unseated suction valve
CARRIER CORP25 citations92
US6309194B1Oct 30, 2001
Enhanced oil film dilation for compressor suction valve stress reduction
CARRIER CORP43 citations92
US5768901AJun 23, 1998
Refrigerating system employing a compressor for single or multi-stage operation with capacity control
CARRIER CORP48 citations92
US5016447AMay 21, 1991
Oil return for a two-stage compressor having interstage cooling
CARRIER CORP40 citations92
US4236876ADec 2, 1980
Multiple compressor system
CARRIER CORP28 citations82
US4432705AFeb 21, 1984
Refrigeration compressor capacity control means and method
CARRIER CORP25 citations76
US5211542AMay 18, 1993
Method and apparatus for oil sump pressure control
CARRIER CORP7 citations73
US4724928AFeb 16, 1988
Single stage oil pump lubrication system
CARRIER CORP17 citations73
US4389168AJun 21, 1983
Apparatus for modulating the capacity of a reciprocating compressor
CARRIER CORP13 citations73
US6468060B1Oct 22, 2002
Oil film dilation for compressor suction valve stress reduction
CARRIER CORP11 citations72
US6099275AAug 8, 2000
Biased open suction valve
CARRIER CORP8 citations72
US4938666AJul 3, 1990
Staged unloading of cylinder bank
CARRIER CORP8 citations71
US5111737AMay 12, 1992
Wrist pin retainer for blind assembly
CARRIER CORP10 citations69
US5591011AJan 7, 1997
Multi-refrigerant compressor
CARRIER CORP15 citations67
US4623326ANov 18, 1986
Centrifugal contaminant separation for a lubricating system
CARRIER CORP4 citations63
US5295815AMar 22, 1994
Oil inlet feed
CARRIER CORP0 citations48
FRASER BRUCE A
7 patentsUS9051934B2Jun 9, 2015
Apparatus and method for oil equalization in multiple-compressor systems
FRASER BRUCE A12 citations83
US9939179B2Apr 10, 2018
Cascading oil distribution system
FRASER BRUCE A2 citations72
US10495089B2Dec 3, 2019
Oil equalization configuration for multiple compressor systems containing three or more compressors
FRASER BRUCE A3 citations71
US9689386B2Jun 27, 2017
Method of active oil management for multiple scroll compressors
FRASER BRUCE A4 citations71
US10634137B2Apr 28, 2020
Suction header arrangement for oil management in multiple-compressor systems
FRASER BRUCE A1 citations62
US10612549B2Apr 7, 2020
Oil equalization configuration for multiple compressor systems containing three or more compressors
FRASER BRUCE A0 citations50
US10760831B2Sep 1, 2020
Oil distribution in multiple-compressor systems utilizing variable speed
FRASER BRUCE A0 citations48
SCROLL TECH
3 patentsUS7255542B2Aug 14, 2007
Compressor with check valve orientated at angle relative to discharge tube
SCROLL TECH35 citations92
US6887052B1May 3, 2005
Scroll wrap tip with abradable selectively applied coating and load-bearing surface
SCROLL TECH16 citations83
US7179067B2Feb 20, 2007
Scroll compressor with wrap walls provided with an abradable coating and a load-bearing surface at radially outer locations
SCROLL TECH8 citations73