EP0181235A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Cryosystem for biological material
Assignee: CRYOLOGIC PTY Ltd
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Filing: 1985-11-08
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Granted: —
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Expires: 2005-11-08
Abstract
Abstract A cryo-cell assembly (10) for biological material including a space (21, Figure 2) for receiving the material, the space being at least partly enclosed by means (20) suitable for conducting heat from the space to a heat sink and including heat generating means (15,51) in heat conducting relationship with the space. Power is applied to the heat generating means according to a desired temperature cycle stored in memory. The power supply unit (Figure 7) senses actual temperature in said space and compares this with the desired temperature. Power is supplied to the heat generating means whenever the actual temperature falls below the desired temperature.
Inventors
- 👤 Willen Lindemans
- 👤 Lauri Jaakko Aaltonen
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 23:45
CPC Classifications
A; A01; A01N; A01N1/00; A01N1/10; A01N1/14; A01N1/142; F; F25; F25D; F25D25/00; F25D25/005; F25D3/00; F25D3/10; G; G01; G01N; G01N1/00; G01N1/28; G01N1/42
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
47 words
A cryo-cell assembly for biological material including a space for receiving said material,characterized in that said space is at least partly enclosed by means suitable for conducting heat from said space to a heat sink and including heat generating means in heat conducting relationship with said space.
Claim 2
Dependent Claim
47 words
A cryo-cell assembly for biological material including a space for receiving said material,characterized in that said space is at least partly enclosed by means suitable for conducting heat from said space to a heat sink and including heat generating means in heat conducting relationship with said space.
Claim 3
Dependent Claim
44 words
A cryo-cell assembly according to claim 1 characterized in that said enclosing means comprises a core member in heat conducting relationship with said space, an outer member spaced from said core member and an insulating layer intermediate said core member and said outer member.
Claim 4
Dependent Claim
19 words
A cryo-cell assembly according to claim 2 characterized in that said core member and said outer member are tubular.
Claim 5
Dependent Claim
23 words
A cryo-cell assembly according to claim 2 or 3 wherein said space comprises at least one opening formed longitudinally in said core member.
Claim 6
Dependent Claim
27 words
A cryo-cell assembly according to claim 3 characterized in that said space comprises a plurality of longitudinal slots formed around the perimeter of the tubular core member.
Claim 7
Dependent Claim
20 words
A cryo-cell assembly according to any one of claims 2-5 characterized in that said core member comprises high purity aluminium.
Claim 8
Dependent Claim
23 words
A cryo-cell assembly according to any one of the preceding claims characterized in that said heat generating I means comprises a heater element.
Claim 9
Dependent Claim
24 words
A cryo-cell assembly according to claim 7 when appended to claim 2 characterized in that said heater element is wound around said core member.
Claim 10
Dependent Claim
38 words
A cryo-cell assembly according to any one of the ) preceding claims characterized in that said heat generating means includes a supply unit for supplying power to said heat generating means in accordance with a desired temperature cycle.
Claim 11
Dependent Claim
91 words
A supply unit for supplying electrical power to a heat i generating element in accordance with a desired temperature cycle characterized in that said supply unit comprises: actual temperature sensing means for sensing the actual temperature of an environment associated with paid heat generating element; memory means for storing the desired temperature cycle; comparator means for comparing the desired temperature and the actual temperature; and heat control means responsive to the comparator means for supplying electrical power to said heat generating element whenever the actual temperature falls below the desired temperature.
Claim 12
Dependent Claim
91 words
A supply unit for supplying electrical power to a heat i generating element in accordance with a desired temperature cycle characterized in that said supply unit comprises: actual temperature sensing means for sensing the actual temperature of an environment associated with paid heat generating element; memory means for storing the desired temperature cycle; comparator means for comparing the desired temperature and the actual temperature; and heat control means responsive to the comparator means for supplying electrical power to said heat generating element whenever the actual temperature falls below the desired temperature.
Claim 13
Dependent Claim
31 words
A supply unit according to claim 10 characterized in that said memory means comprises a read only memory and said desired temperature cycle is stored in said memory in digital form.
Claim 14
Dependent Claim
33 words
A supply unit according to claim 11 characterized in that there is further included digital-to-analogue conversion means for converting the stored temperature cycle to analogue form prior to comparison with the actual temperature.
Claim 15
Dependent Claim
41 words
A supply unit according to claims 9, 10 or 11 characterized in that the supply of electrical power to said heat generating element is pulse-width modulated and the width of the pulses is- controlled by the output of the comparator means.
Claim 16
Dependent Claim
15 words
A supply unit according to any one of claims 10-13 including an under/over temperature alarm.
Claim 17
Dependent Claim
21 words
A cryo-cell assembly according to any one of claims 1-9 including a supply unit according to any one of claims 10-15.
References Cited (Backward Citations)
No citation records indexed.
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