US 12,129,849 B2
Pump system
Laverne Schumann, Blue Grass, IA (US)
Filed by Laverne Schumann, Blue Grass, IA (US)
Filed on Nov. 8, 2022, as Appl. No. 17/982,792.
Application 17/982,792 is a continuation of application No. 17/034,910, filed on Sep. 28, 2020, granted, now 11,493,037.
Application 17/034,910 is a continuation of application No. 15/155,962, filed on May 16, 2016, abandoned.
Application 15/155,962 is a continuation in part of application No. 14/808,820, filed on Jul. 24, 2015, granted, now 9,863,418, issued on Jan. 9, 2018.
Application 15/155,962 is a continuation in part of application No. 14/283,778, filed on May 21, 2014, abandoned.
Application 14/808,820 is a continuation of application No. 13/767,680, filed on Feb. 14, 2013, abandoned.
Application 13/767,680 is a continuation of application No. 12/888,905, filed on Sep. 23, 2010, granted, now 8,398,381, issued on Mar. 19, 2013.
Claims priority of provisional application 62/162,187, filed on May 15, 2015.
Claims priority of provisional application 62/067,599, filed on Oct. 23, 2014.
Claims priority of provisional application 62/028,778, filed on Jul. 24, 2014.
Claims priority of provisional application 61/245,449, filed on Sep. 24, 2009.
Prior Publication US 2023/0080102 A1, Mar. 16, 2023
Int. Cl. F04C 15/06 (2006.01); F01M 1/02 (2006.01); F01M 13/02 (2006.01); F01M 13/04 (2006.01); F02M 35/10 (2006.01); F04C 2/20 (2006.01); F04C 13/00 (2006.01); F04C 14/24 (2006.01); F04C 15/00 (2006.01)
CPC F04C 15/0042 (2013.01) [F01M 1/02 (2013.01); F01M 13/021 (2013.01); F01M 13/04 (2013.01); F02M 35/10222 (2013.01); F04C 2/20 (2013.01); F04C 13/001 (2013.01); F04C 14/24 (2013.01); F04C 15/06 (2013.01); F01M 2013/0466 (2013.01); F04C 2210/206 (2013.01); F04C 2240/20 (2013.01); F04C 2240/30 (2013.01); F04C 2270/185 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A method of operating an internal combustion engine under a pressure less than atmospheric pressure, said method comprising the steps of:
a. positioning a vacuum pump such that said vacuum pump is in fluid communication with a crankcase of said internal combustion engine, wherein said vacuum pump is further defined as subjecting said crankcase to a pressure that is less than an atmosphere pressure, and wherein said vacuum pump is further defined as subjecting said crankcase to a pressure that is between 0.5 and 8.5 inches of water less than an atmosphere pressure and a pressure differential, of the vacuum pump, is dictated by a rate of speed at which said internal combustion engine is turning;
b. connecting a discharge of said vacuum pump to a separator, wherein a portion of said discharge of said vacuum pump condenses in said separator;
c. connecting a vapor discharge of said separator to a filter, wherein said filter removes a portion of volatile organic compounds from said vapor discharge; and,
d. venting said filter to an ambient atmosphere.