US 11,849,738 B2
Frozen beverage machine control system and method
Daniel J. Seiler, Schertz, TX (US); and R. Craig Cobabe, Boerne, TX (US)
Assigned to FBD Partnership, LP, San Antonio, TX (US)
Filed by FBD Partnership, LP, San Antonio, TX (US)
Filed on Aug. 11, 2020, as Appl. No. 16/990,379.
Application 16/990,379 is a continuation of application No. 15/919,330, filed on Mar. 13, 2018, granted, now 10,736,337.
Application 15/919,330 is a continuation in part of application No. 15/049,547, filed on Feb. 22, 2016, granted, now 10,788,246.
Application 15/049,547 is a continuation in part of application No. 15/049,563, filed on Feb. 22, 2016, abandoned.
Claims priority of provisional application 62/470,415, filed on Mar. 13, 2017.
Claims priority of provisional application 62/120,602, filed on Feb. 25, 2015.
Prior Publication US 2020/0367527 A1, Nov. 26, 2020
Int. Cl. A23G 9/22 (2006.01); A23G 9/04 (2006.01); F25B 47/02 (2006.01); F25B 25/00 (2006.01); F25B 40/00 (2006.01)
CPC A23G 9/228 (2013.01) [A23G 9/045 (2013.01); F25B 25/005 (2013.01); F25B 40/00 (2013.01); F25B 47/02 (2013.01); F25B 47/022 (2013.01); F25B 2700/1931 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A frozen beverage machine, comprising:
a first chamber configured to freeze a beverage and having a product inlet and a product outlet;
a gas chamber operationally coupled to, but fluidly separated from the first chamber and configured to adjust pressure in the first chamber;
a gas chamber pressure transducer operationally coupled to the gas chamber and configured to generate a signal representative of pressure in the gas chamber;
a first controllable valve operationally coupled to the gas chamber;
a controller operationally coupled to the gas chamber pressure transducer and configured to receive the signal representative of pressure in the gas chamber and configured to adjust the pressure in the first chamber to a pressure within a predetermined range based at least in part on the signal representative of pressure in the gas chamber; and
the controller further configured to determine the frequency of adjustments of pressure in the first chamber, and configured to delay at least one first chamber pressure adjustment based at least in part on the frequency of adjustments of the first chamber pressure.