US 12,448,961 B2
Fluid recovery system
Randy Swan, Granbury, TX (US)
Filed by Randy Swan, Granbury, TX (US)
Filed on Jan. 26, 2023, as Appl. No. 18/101,634.
Application 18/101,634 is a continuation in part of application No. 17/075,177, filed on Oct. 20, 2020, granted, now 11,585,334.
Prior Publication US 2023/0175498 A1, Jun. 8, 2023
Int. Cl. F04B 39/16 (2006.01); B01D 47/00 (2006.01); B01D 53/18 (2006.01); F01M 13/04 (2006.01)
CPC F04B 39/16 (2013.01) [B01D 47/00 (2013.01); B01D 53/18 (2013.01); F01M 2013/045 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A fluid recovery system comprising:
a vapor recovery unit, a control system, a compressor frame vent line, a packing case vent line, a main vapor recovery unit inlet line, and a discharge line;
the vapor recovery unit comprising a vapor recovery vessel and a vapor recovery compressor comprising a motor, the main vapor recovery unit inlet line being fluidly connected to the vapor recovery vessel;
the packing case vent line comprising a valve adapted to regulate a flow of packing case vapor through the packing case vent line to the main vapor recovery unit inlet line;
the compressor frame vent line being adapted to permit a flow of blow-by gas through the compressor frame vent line to the main vapor recovery unit inlet line:
the control system being adapted to monitor a vapor recovery vessel input pressure and control the vapor recovery compressor; and
the control system being further adapted to control a vapor recovery vessel output to the discharge line.