Speed Cooking Technologies

dotardhousesMechanics

Nov 18, 2013 (3 years and 8 months ago)

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1

Speed Cooking Technologies


Jet
-
Impingement


Technical Background


Companies Involved in JIM Ovens


JIM Ovens


TurboChef

2

Technical Background


Technical Terms


Hot Air Impinging on Food


Applications and Advantages


Temperature Profile


Nusselt Number vs. Reynolds Number

3

Technical Terms


Jet impingement technology

Technology in which jets of gas or liquid are made to impinge on
a desired product for faster heat transfer or faster chemical
reactions


Jet impingement oven

Device used for baking and drying of food materials using jets of
hot air at velocities (20
-
40 m/s) to impinge on the product


Jet
-
impingement Microwave (JIM) Oven

Ovens operated in jet
-
impingement mode and microwave mode
either individually or in combination.

4

FOOD

PLATE

D

Hot Air Jet
-
Impinging on Food

Jet of hot air
impinging directly
on food

5

Applications and Advantages


Applications


Baking for pizza shells, crackers, matzo, cookies


Toasting for ready
-
to
-
eat cereals


Roasting for coffee beans


Advantages Over Other Technologies


Efficient heat transfer


Energy efficient


Uniform heating


Better moisture retention in food

6

Temperature Profile

(Results from 3 Impinging Jets)

-
8
0
-
6
0
-
4
0
-
2
0
0
2
0
-
4
0
-
2
0
0
2
0
4
0
6
0
2
5
.
4
1
2
2
.
1
4
1
8
.
8
6
1
5
.
5
9
1
2
.
3
2
9
.
0
4
5
.
7
7
2
.
4
9
-
0
.
7
8
-
4
.
0
5
X
(
m
m
)
Y
(
m
m
)
U
z
(
m
/
s
)
Source: M. Karwe, Rutgers University

7

Nusselt Number vs. Reynolds Number

Nusselt Number vs Reynolds Number
(5 cm and 3.5 cm Diameter Model Cookies)
0
20
40
60
80
100
120
140
0
10000
20000
30000
40000
Reynolds Number(Re)
Nusselt Number(Nu=hD/kair)
Between #3 and
#7 (3.5 cm)
#3 (3.5 cm)
#7 (3.5 cm)
# 7 (5cm)
# 11 ( 5 cm)
Between #3 AND
#7 (5cm)
# 3 (5cm)
Source: M. Karwe, Rutgers University

8

Companies Involved in JIM Ovens


Enersyst Development Center


KRh Thermal Systems


Thermador


Fujimak Incorporated

9

JIM Ovens


Enersyst Development Center


Enersyst Prototype JIM Oven


KRh Thermal Systems


KRh JIM Ovens


Hot Choice Systems


Thermador


Thermador JIM Oven


Fujimak Incorporated


Fujimak JIM Oven

10

Enersyst Development Center


A research and development company whose main
business is to develop and license its flagship jet
-
impingement technology


Licensees


KRh Thermal Systems


Thermador


A&W Restaurants


Acquired by
Moseley Corporation

as an
independently operated subsidiary in late 1999

11

Moseley Corporation


Parent company of
Enersyst Development Center


A full service provider of merchandising solutions and
consulting services for leading international
corporations and emerging entrepreneurs in the food
and beverage industry


Located at Franklin, Massachusetts


Appears to be a small private company (limited
information available in the Internet)


http://www.moseleycorp.com/

12

Enersyst Prototype JIM Oven


Prototype JIM oven
developed by
Enersyst for the
NASA space station

Source: NASA

13

KRh Thermal Systems


Major Products


KRh Thermal Systems JIM Ovens


Hot Choice System


Company Profile


A limited liability company managed by
Kaiser
Aerospace and Electronics
and
ThermalTech
Development Inc.


Located at
Irvine, California


http://www.krhthermal.com/


14

Kaiser
Aerospace

and Electronics


A U.S. defense contractor


About 1200 employees and $226 million
annual sales


A partner of
KRh Thermal Systems


http://www.kaiseraerospace.com/

15

ThermalTech Development Inc.


A marketing and development company for
KRh Thermal Systems


Directed by a consortium of business leaders,
including a number of executives from
Fortune 500 companies


Appears to be a very small company with just
a few employees

16

KRh Thermal Systems JIM Ovens


All stainless steel
construction


Rotating turntable


Programmable
temperatures to 450 F


May be stacked to 3
high


Venting hood usually
not required


Manufactured by
KRh

Source: KRh Thermal Systems

17

Hot Choice System

A food service system marketed by
KRh Systems

18

Components of Hot Choice System


Vending Machine


Menu Strategy


Partnership with
Food Manufacturers


Packaging

Source: KRh Thermal Systems

19

Exterior Components

(Hot Choice Vending Machine)


(A) Customer display


(B) Bill acceptor


(C) Coin changer/return


(D) Selection buttons


(E) Price display


(F) Delivery port

Source: KRh Thermal Systems

20

Interior Components

(Hot Choice Vending Machine)


(H) Control board


(I) Inventory System


(J) Freezer deliver door


(K) Food transfer system


(L) Power supply box


(M) Condenser unit


(N) KRh oven

Source: KRh Thermal Systems

21

Food Transfer System

(Hot Choice Vending Machine)

1.
Food package moves from
the inventory freezer (I) to
the transfer system (K)

2.
Food package is "de
-
sleeved" and transferred in
a tray into the oven (N)

3.
Food is transferred out of
the oven, re
-
sleeved, and
placed in the Food Delivery
Port (G)

Source: KRh Thermal Systems

22

KRh Oven

(Hot Choice Vending Machine)


Air impingement browns
and crisps the outside
of the food, while the
microwave heats the
inside

Source: KRh Thermal Systems

23

Sample Cooking Times


(Hot Choice Systems)

Products

Microwave

Hot Air

Pan Pizza

50 sec

60 sec

Chicken breast strips

60 sec

60 sec

Soft pretzel

20 sec

20 sec

Grilled bacon cheeseburger

60 sec

on at 15 sec

for 45 sec

Raspberry
-
filled croissant

70 sec

on at 10 sec

for 50 sec

Source: KRh Thermal Systems

24

Menu Strategy

(Hot Choice Systems)


Breakfast


Lunch/Light Meals


Snacks


Selection Factors


High perceived value


Excellent quality


Board based consumer appeal

25

Breakfast

Hot Choice Systems


Egg and sausage
sandwich


Raspberry croissant


Breakfast pocket and
potato stix

Source: KRh Thermal Systems

26

Lunch and Light Meals

Hot Choice Systems


Deluxe pan pizza


Golden chicken strip


Smoked turkey and
chicken calzone


Grilled bacon
cheeseburger


Grilled chicken
sandwich

Source: KRh Thermal Systems

27

Snacks

Hot Choice Systems


Crinkle cut fries


Soft pretzel

Source: KRh Thermal Systems

28

Packaging System

Hot Choice Systems


Package size: 6" x 4 7/8" x 1 ¼“


Product dimensions: 4 ½" x 3 ½" x 1"


Case size: 15 ¼" x 12 ½" x 5 9/16"


Case count: 24 items


Sleeve: 24# paperboard with poly coating on
the inside and outside


Shelf
-
life: six month

29

Food Manufacturers of Hot Choice


J. R. Simplot Company


Michael Angelo's


Cousins' Foods


Buddy's Kitchens


Brakebush Brothers


Http://www.brakebush.com/

30

J. R. Simplot Company


One of Hot Choice Systems’ food manufacturer
partners


Annual revenues are approximately $2.8 billion,
derived principally from food processing, fertilizer
manufacturing, agriculture, and related businesses.


Major food products: potatoes, vegetables and fruits


http://www.simplot.com/

31

Thermador


Company Profile


Thermador JIM Oven


http://www.thermador.com/home.cfm

32

Thermador JIM Oven


Marketed as CJ Oven
by
Thermador


Features


30” wide


700 watt built
-
in
microwave


CookSmart™
automatically converts
the time and temperature
of recipes


CJ Oven versus Normal
Oven

Source: Thermador

33

CJ Oven versus Normal Oven

Food Favorites

CJ Oven

Normal Oven

12 lbs. Unstuffed Whole Turkey

1 hr. 30 mins.

3 hrs. 30 mins

2 lbs. Homemade Meatloaf

25 mins.

1 hr

4
-
8 oz. Baked Potatoes

15 mins.

1 hr

1 doz. Cranberry
-
Orange Muffins

6 mins.

20
-
25 mins.

2 doz. Fresh
-
Baked Cookies

2 1/2 mins.



8
-
10 mins.

Source: Thermador

34

Fujimak Incorporated


Company Profile


Kitchen cooking equipment manufacturer


Established in 1950


Located in Toyo, Japan


2 factories, about 1000 employees


Fujimak JIM Oven


http://www.fujimak.co.jp/en/

35


Marketed as “Super
Jet Heating System”
by
Fujimak


Width 570 mm
length 625 mm
height 540 mm


6 KW power

Fujimak JIM Oven

Source: Fujimak

36

TurboChef


Heating Mechanism


Air is forced across a heating
element by a powerful
blower


Heated air is then pushed
into and pulled out of the
oven cavity


The push
-
pull combination
forms a hot
-
air wrap around
the food creating even
browning and moisture
retention


Microwave energy is
combined with the hot air to
speed the cooking process


37

TurboChef

Jenn
-
Air Accellis 5XP


Assistant Jenn
-
Air
Brand Manager Gareth
Morgan shows off the
new Jenn
-
Air Accellis
5XP wall oven. The
oven, the first to feature
Maytag's exclusive
"rapid cook" technology,
can cook a three
-
pound
chicken in under 20
minutes. (AP)

38

TurboChef

Intelligent Cooking Feature


Employs proprietary hardware and software
technologies to "cook
-
to
-
order" a variety of
foods very rapidly


Use a microprocessor to control the cooking
processes to ensure consistent quality and
also has the ability to communicate with users
and service personnel over computer
networks and the Internet

39

TurboChef

Company Profile


Design, develop, assemble and market high
-
speed commercial cooking systems for
foodservice industry


Strategic alliance with Maytag


Located in Dallas, Texas


50 employees

40

TurboChef

Financial Summary


Nasd aq symbol: TRBO


For the nine months ended 9/30/00, revenues increased 52% to
$5.4 million.Net loss increased 1% to $7.4 million. Results
reflect an increase in research and development revenues
pursuant to the commercial license agreement with Maytag,
offset by increased marketing expenses associated with the
Company's new C
-
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