This document discusses diesel particulate filter systems from Rypos, Inc. for stationary diesel generators and port equipment. It provides an overview of regulatory requirements for particulate matter emissions in California, describes Rypos' active regeneration filter technology using electrical heating elements, and lists some customer installations of their diesel particulate filter systems on generators and rubber-tired gantries at various ports.

1. Diesel Particulate Filters
Control Systems
RYPOS, Inc.
Holliston, MA 02019 USA
Greg Korst
415/686-3043
IEEE
Los Angeles, CA
5/9/2018
Confidential

2. Diesel Particulate Matter, PM10
Confidential 2

3. SCAQMD Rules
• Title V Facility
• Major Polluter, exceeds threshold
• Triggers LAER
• DPF is Required*
Confidential 3
• SCAQMD Rule 1470
• Proximity to Sensitive Receptors
• DPF if within 50 meters
• Requires PM emissions at Tier 4 level*
• Proximity to Schools
• DPF if within 100 meters
• Requires PM at .01 gm/bhp-hr*
* Requires CARB Level 3+ Verified DPF

4. BAAQMD Rules
• Risk Screen Analysis
– Takes surrounding conditions into account
– Population density, wind currents, etc
– Calculates how many hours you can run
• For Test & Maintenance
• Cancer Risk threshold
Confidential 4
• Add DPF to get 50 hours annually

5. Diesel Particulate Filters
Passive Active
Fuel Born CatalystOxidation Catalysts
Electrically
Regenerated
Fuel
Regenerated
(3-6% Fuel
penalty)
On-Line
(<1% penalty)
Off-Line
Rypos core technology
DPF Technology
Confidential 5

6. Catalyzed Ceramic, Passive DPF
Confidential 6

7. The Johnson Matthey DPF, regenerates soot
based on chemistry of combustion
•CO2+NO
•CO2+NO
•CO2+NO
•
NO2
•WallFlowFilter
• C O + O 2 C O 2
•N O + O 2 NO2
•HC+ O 2 CO2+H2O
•FlowThroughMonolith
•NO2

8. Passive DPF, 350 KW
8

9. Active Exhaust Temperature
DPF
Continuously measures exhaust temperature and
pressure and adds load to increase exhaust
temperature when need, to assure health of both
engine and filter

10. Active Exhaust Temperature
DPF

11. DPF
Radiator
Mounted
Active
Load Bank
Active Exhaust Temperature
DPF

12. Pressure Relief Valve
Confidential 12

13. Externally Active Exhaust Filter System with load
bank in exhaust (750+ kW Generators)
Air Filter
TurboAfterCooler
Turbo
Electric
Heater/
Load Bank
Cummins Diesel Engine
Exhaust
DPF Control Panel
Generator
Heater Control
Temp sensing
Pressure sensing
Precise DPF
Temperature
Control
DPF and Silencing
Unit
DPF
reduces
PM 90%+
Standard Cummins
Diesel Genset
Clean
Exhaust
DPF-Genset Communication
Continuously monitors exhaust temp and pressure and when building loads
are low, adds heat to exhaust and exercises engine to assure health of both
engine and filter
•
Cummins Power Generation

14. •
eMission DPF Architecture
eMission DPF System shown: Gas Flow is Right to Left
•
Cummins Power Generation

15. Confidential
Heat Loss - 2000KW at Full Load
 Outlet Temp 300 F
 Flex Temp 510F
 Exhaust
 Manifold 660F
 Turbo Temp 910F

16. o Electro-conductive
o High porosity (70 – 90 %)
o Low back pressure
o Withstands high temperatures (up to 1000oC)
o Fast heating (low thermal mass)
o High filtering efficiency (90% +)
o High surface area
o High mechanical strength
o Shock and vibration resistant
Sintered Metal Fibers
Active Electrical Regeneration Technology
Confidential 16

17. Rypos Proprietary Technology
Active Filter Cartridges
Sizes 3” – 13” Dia.
Only Active Regenerated DPF where the FILTER element IS the HEATING element
Intellectual Property
• 4 US patents issued
• Several patents in application
• Advanced filter design
• Proprietary control software
• Proprietary circuit designs
• Proprietary pleating method
RYPOS Active DPF Regeneration Technology
Confidential 17

18. Washcoat C
Confidential 18
Basic Elements/Design
Flow Control
Filter Stack
Electronics

19. Confidential 19
DOC
Filter Cartridges
Inlet
Electronics
Flow Control
19
Electrical Regeneration*
*Only Active Regeneration DPF where the FILTER element IS the HEATING element
RF-Large (48v +)
RF-Medium (24v)
RF-Small (12v)
Active Filter Cartridges
Outlet

20. Controlled Regeneration & System Monitoring
• Pressure, temperature or time can be used to
energize/regenerate filter elements
• Individual Filter stack and cartridge selection
• Determines regen timing, sequence and duty
cycle
• Real-time monitoring with remote display
• Available engine control integration with
Mod/Can bus
• System Diagnostics
Managed Regeneration
Confidential 20

21. Confidential 21
RYPOS HDPF/C: Back Pressure
0
50
100
150
200
250
300
350
400
450
0
10
20
30
40
50
60
0:00 0:05 0:10 0:15 0:20 0:25 0:30 0:35
Temp.oF
Backpressure,in.H2O
Time, min.
Cold Start Standard Cooling No Load run #24
Temp.
Pressure
Reg. Cycles

22. Confidential 22
Typical Regeneration Cycles
Reg. Cycles
0
100
200
300
400
500
600
700
800
900
0
10
20
30
40
50
60
0 1 2
Temp.,oF
Backpressure,in.H2O
Time, hrs.
Temp.

23. Confidential 23
RYPOS Active DPF Modules

24. Confidential 24
RYPOS Active AT-IV System Design
Filter Section
SCR Blocks
Combined DPF/SCR
System Control Panel, Urea Tank & Pump not shown

25. Amazon.com
 Delivered 13 large Generator
set units to main data center
 Additional units expected
 Partnered with 2 Caterpillar
dealer/installers
Rypos
Dealer
or
Partner
Installer
End
User
Stationary
RyposEngineDealers
Engineers /
Specifications
Stationary Power Generation
25Confidential
FedEx
 Delivered 4 large Generator
set units to main sorting facility
 Additional units expected
MassPort
 Delivering two filters in
Spring 2015
 300 kw for parking garage
 1 Mw for Central heating
plant

26. * Caltech-Owens Valley Radio Observatory 1/2008
(2) 2005 Kohler 600kW Generator Sets
Over 13,000 Operational hours per DPF
Power Generation-Standby/Prime Power
Confidential 26

27. Support for Rubber Tired Gantries
27
• How Can Rypos Help?
– Support Terminal Operators
in the Port
• Install and maintain Rypos
Filters
– Educate the Port
Authorities
• Help build awareness and
support for this important
technology.
• Allow older cranes to operate
longer and emit less.
– Help Port build on well
established “green image”

28. APL Oakland
STS Long Beach
TraPac Los Angeles
APM Los Angeles
Experts in Rubber Tired Gantry Filters