PETER KARALIS
Broker in Watertown, MA

License number
Massachusetts 9519134
Issued Date
Mar 12, 2011
Expiration Date
Dec 28, 2013
Type
Salesperson
Address
Address
Watertown, MA 02472

Professional information

Peter Karalis Photo 1

Adjustable Time Delay For Fire Suppression System

US Patent:
7416030, Aug 26, 2008
Filed:
Jul 21, 2005
Appl. No.:
11/186223
Inventors:
Richard Lawrence Lupien - Grafton MA, US
Peter Karalis - Watertown MA, US
Assignee:
Kidde Fenwal, Inc. - Ashland MA
International Classification:
A62C 37/10
US Classification:
169 60, 169 9, 169 19, 169 70, 239 70, 137102, 251 48
Abstract:
A mechanical time delay apparatus for creating a time delay between a pneumatic inlet for connection to a source of pressurized gas and a pneumatic outlet includes a primary pneumatic flow path from the inlet to the outlet. A movable gate is associated with the primary pneumatic flow path and is movable between an open position and a closed position. The gate is urged by a biasing force to the closed position. In the closed position, the gate is disposed to block a flow of gas through the primary pneumatic flow path. In the open position, the gate permits such flow. The time delay apparatus further includes an accumulation chamber in communication with the gate for a gas pressure within the accumulation chamber to urge the gate against the biasing force to the open position when the gas pressure exceeds a threshold pressure. A secondary pneumatic flow path extends the inlet to the accumulation chamber. An adjustment mechanism is provided for adjusting an internal volume of the accumulation chamber to thereby adjust an amount of time required for a gas admitted to the accumulation chamber to exceed the threshold pressure.


Peter Karalis Photo 2

Device For Locking Out A Pressurized Storage Container And Method For The Same

US Patent:
7341238, Mar 11, 2008
Filed:
Mar 30, 2005
Appl. No.:
11/095463
Inventors:
Peter Karalis - Watertown MA, US
Raymond A. Stacy - Framingham MA, US
Richard Zaven Karadizian - Westford MA, US
James E. Marquedant - Mendon MA, US
Assignee:
Kidde-Fenwal Inc. - Ashland MA
International Classification:
F16K 25/00
US Classification:
251193, 251 89, 280740, 280741
Abstract:
A device and method for locking out an explosion suppressor that includes a discharge valve with a load end and a discharge end. The load end and the discharge end define a discharge path therethrough. The discharge valve includes a side opening transverse of the discharge path. A storage container is connected to the discharge valve at the load end. The storage container delivers a pressurized fluid to the discharge valve through the load end when the system is in a discharge mode. A lockout member is removably insertable into the side opening. The lockout member mechanically blocks the discharge path, whereby the lockout member prevents inadvertent fluid discharge through the discharge end of the discharge path. The presence of the lockout member is monitored by a magnetic switch.


Peter Karalis Photo 3

Dispensing Valve And Method For Dispensing A Fluid Under Pressure

US Patent:
8561711, Oct 22, 2013
Filed:
Sep 19, 2008
Appl. No.:
13/119095
Inventors:
Peter Karalis - Watertown MA, US
Assignee:
Kidde-Fenwal, Inc. - Ashland MA
International Classification:
A62C 2/00
US Classification:
169 46, 239569
Abstract:
A dispensing valve apparatus and method for rapidly dispensing fluid from a fluid reservoir of a pressure vessel include a piston translatable within a cavity that closes a discharge passage opening the cavity when positioned in a first position and opens the discharge passage to fluid flow from the fluid reservoir when positioned in a second position. The piston may be rapidly repositioned from its position to its second position by venting a cavity disposed between the piston and an actuator cap by selectively opening a check valve to vent the pressure within the cavity to the discharge passage.


Peter Karalis Photo 4

Method And Apparatus For Venting A Pressure Reservoir

US Patent:
2005020, Sep 22, 2005
Filed:
Mar 10, 2005
Appl. No.:
11/076841
Inventors:
Peter Karalis - Watertown MA, US
Raymond Stacy - Framingham MA, US
Richard Karadizian - Westford MA, US
James Marquedant - Mendon MA, US
Assignee:
KIDDE-FENWAL INC. - Ashland MA
International Classification:
F16K017/40
US Classification:
137068130
Abstract:
An apparatus and method for rapid fluid venting that includes a burst seal disposed in a venting aperture. The burst seal seals the venting aperture so that fluid flow therethrough is not enabled. A piston defining at least one piston aperture therethrough, the piston being movably disposed proximate the burst seal. At least one actuator, actuatable between a first configuration and a second configuration. The actuator is engaged with the piston such that when the actuator actuates from the first configuration to the second configuration, the actuator impels the piston so that the piston ruptures the burst seal. With the burst seal ruptured, the piston aperture and the venting aperture are in communication so as to enable fluid flow through the venting aperture and the piston aperture.


Peter Karalis Photo 5

Dual Burst Disk

US Patent:
2005020, Sep 22, 2005
Filed:
Mar 10, 2005
Appl. No.:
11/077197
Inventors:
Peter Karalis - Watertown MA, US
Raymond Stacy - Framingham MA, US
Richard Karadizian - Westford MA, US
James Marquedant - Mendon MA, US
Neil Brillhart - Whitinsville MA, US
William Mahoney - Sudbury MA, US
Assignee:
KIDDE-FENWAL INC. - Ashland MA
International Classification:
B67D005/00, B67D005/42, G01F011/00
US Classification:
222389000
Abstract:
An apparatus and method for dispensing fluid including a pressure vessel at a first pressure and a reservoir at a second pressure. The reservoir communicates with the pressure vessel via a first aperture and with an environment at a third pressure via a second aperture. A reservoir vent having open and closed positions, that when opened the reservoir vents to a fourth pressure, and when closed the reservoir does not vent. A piston moveably disposed within the reservoir, and defines an aperture therethrough. A first burst seal disposed in the first aperture seals the pressure vessel from the reservoir, and engaged with the piston to be moveable therewith. A second burst seal disposed in the second aperture seals the reservoir from the environment. When the reservoir vents to the fourth pressure, the piston ruptures the second seal, and a first and third pressure difference ruptures the first seal.