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Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 123/568.25 - Vacuum actuator control of EGR valve


Subclass of Class 123 - Internal-combustion engines
Definition: Subject matter wherein the electrically powered adjusting
No. of patents: 6
Last issue date: 03/15/2005


NumberTitleIssue Date
6868329Control method of EGR system of engine
A control method of an EGR system of an engine capable of effectively performing an EGR control at a time of rapid acceleration. For this purpose, an intake air flow rate of the engine is obtained, and from a target EGR valve opening degree and a difference in press...
03/15/2005
5927256Flow control device of an engine
A flow control device comprising an EGR control valve arranged in an EGR passage. The pressure control chamber of the EGR control valve is connected to a pressure control valve in a conduit, and a volume chamber is arranged in the conduit. The vibration o...
07/27/1999
4671246Apparatus for controlling recirculated quantities of exhaust gas in internal combustion engines
An apparatus is proposed which serves to control the quantity of exhaust gas recirculated from the exhaust gas system of an internal combustion engine to its intake side. The apparatus includes a pneumatic control element having a diaphragm, which defines...
06/09/1987
4620520Apparatus for controlling recirculated exhaust gas quantities in internal combustion engines
An apparatus is proposed which serves to control the quantity of exhaust gas recirculated from the exhaust gas system of an internal combustion engine to its intake side. The apparatus includes a pneumatic final control element having a diaphragm defining...
11/04/1986
4463741Electronically controlled exhaust gas recirculation apparatus
Vacuum is applied to a pair of vacuum chambers on opposite sides of a diaphragm of an EGR valve and air flow rates from the pair of Vacuum Chambers are determined by a duty factor of an electrical control signal. A plunger driven by the diaphragm and a sl...
08/07/1984
4280471Control system for internal combustion engine
In an internal combustion engine having an exhaust gas recirculation system and an intake air bypass system, a control system is provided which comprises an electric motor arranged to control the flow rate of exhaust gases through the exhaust gas recircul...
07/28/1981
 
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